--- /dev/null
+# This set of tests check the DFA matching functionality of pcre2_dfa_match(),
+# excluding UTF and Unicode property support. All matches are done using DFA,
+# forced by setting a default subject modifier at the start.
+
+#forbid_utf
+#subject dfa
+#newline_default lf anycrlf any
+
+/abc/
+ abc
+ 0: abc
+
+/ab*c/
+ abc
+ 0: abc
+ abbbbc
+ 0: abbbbc
+ ac
+ 0: ac
+
+/ab+c/
+ abc
+ 0: abc
+ abbbbbbc
+ 0: abbbbbbc
+\= Expect no match
+ ac
+No match
+ ab
+No match
+
+/a*/no_auto_possess
+ a
+ 0: a
+ 1:
+ aaaaaaaaaaaaaaaaa
+Matched, but offsets vector is too small to show all matches
+ 0: aaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaa
+ 5: aaaaaaaaaaaa
+ 6: aaaaaaaaaaa
+ 7: aaaaaaaaaa
+ 8: aaaaaaaaa
+ 9: aaaaaaaa
+10: aaaaaaa
+11: aaaaaa
+12: aaaaa
+13: aaaa
+14: aaa
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=ovector=10
+Matched, but offsets vector is too small to show all matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaa
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=dfa_shortest
+ 0:
+
+/(a|abcd|african)/
+ a
+ 0: a
+ abcd
+ 0: abcd
+ 1: a
+ african
+ 0: african
+ 1: a
+
+/^abc/
+ abcdef
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/^abc/m
+ abcdef
+ 0: abc
+ xyz\nabc
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+
+/\Aabc/
+ abcdef
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/\Aabc/m
+ abcdef
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/\Gabc/
+ abcdef
+ 0: abc
+ xyzabc\=offset=3
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+ xyzabc\=offset=2
+No match
+
+/x\dy\Dz/
+ x9yzz
+ 0: x9yzz
+ x0y+z
+ 0: x0y+z
+\= Expect no match
+ xyz
+No match
+ xxy0z
+No match
+
+/x\sy\Sz/
+ x yzz
+ 0: x yzz
+ x y+z
+ 0: x y+z
+\= Expect no match
+ xyz
+No match
+ xxyyz
+No match
+
+/x\wy\Wz/
+ xxy+z
+ 0: xxy+z
+\= Expect no match
+ xxy0z
+No match
+ x+y+z
+No match
+
+/x.y/
+ x+y
+ 0: x+y
+ x-y
+ 0: x-y
+\= Expect no match
+ x\ny
+No match
+
+/x.y/s
+ x+y
+ 0: x+y
+ x-y
+ 0: x-y
+ x\ny
+ 0: x\x0ay
+
+/(a.b(?s)c.d|x.y)p.q/
+ a+bc+dp+q
+ 0: a+bc+dp+q
+ a+bc\ndp+q
+ 0: a+bc\x0adp+q
+ x\nyp+q
+ 0: x\x0ayp+q
+\= Expect no match
+ a\nbc\ndp+q
+No match
+ a+bc\ndp\nq
+No match
+ x\nyp\nq
+No match
+
+/a\d\z/
+ ba0
+ 0: a0
+\= Expect no match
+ ba0\n
+No match
+ ba0\ncd
+No match
+
+/a\d\z/m
+ ba0
+ 0: a0
+\= Expect no match
+ ba0\n
+No match
+ ba0\ncd
+No match
+
+/a\d\Z/
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+\= Expect no match
+ ba0\ncd
+No match
+
+/a\d\Z/m
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+\= Expect no match
+ ba0\ncd
+No match
+
+/a\d$/
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+\= Expect no match
+ ba0\ncd
+No match
+
+/a\d$/m
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+ ba0\ncd
+ 0: a0
+
+/abc/i
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ ABC
+ 0: ABC
+
+/[^a]/
+ abcd
+ 0: b
+
+/ab?\w/
+ abz
+ 0: abz
+ 1: ab
+ abbz
+ 0: abb
+ 1: ab
+ azz
+ 0: az
+
+/x{0,3}yz/
+ ayzq
+ 0: yz
+ axyzq
+ 0: xyz
+ axxyz
+ 0: xxyz
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+\= Expect no match
+ ax
+No match
+ axx
+No match
+
+/x{3}yz/
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+\= Expect no match
+ ax
+No match
+ axx
+No match
+ ayzq
+No match
+ axyzq
+No match
+ axxyz
+No match
+
+/x{2,3}yz/
+ axxyz
+ 0: xxyz
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+\= Expect no match
+ ax
+No match
+ axx
+No match
+ ayzq
+No match
+ axyzq
+No match
+
+/[^a]+/no_auto_possess
+ bac
+ 0: b
+ bcdefax
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ 3: bc
+ 4: b
+\= Expect no match
+ aaaaa
+No match
+
+/[^a]*/no_auto_possess
+ bac
+ 0: b
+ 1:
+ bcdefax
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ 3: bc
+ 4: b
+ 5:
+ aaaaa
+ 0:
+
+/[^a]{3,5}/no_auto_possess
+ xyz
+ 0: xyz
+ awxyza
+ 0: wxyz
+ 1: wxy
+ abcdefa
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ abcdefghijk
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+\= Expect no match
+ axya
+No match
+ axa
+No match
+ aaaaa
+No match
+
+/\d*/
+ 1234b567
+ 0: 1234
+ xyz
+ 0:
+
+/\D*/
+ a1234b567
+ 0: a
+ xyz
+ 0: xyz
+
+/\d+/
+ ab1234c56
+ 0: 1234
+\= Expect no match
+ xyz
+No match
+
+/\D+/
+ ab123c56
+ 0: ab
+\= Expect no match
+ 789
+No match
+
+/\d?A/
+ 045ABC
+ 0: 5A
+ ABC
+ 0: A
+\= Expect no match
+ XYZ
+No match
+
+/\D?A/
+ ABC
+ 0: A
+ BAC
+ 0: BA
+ 9ABC
+ 0: A
+
+/a+/
+ aaaa
+ 0: aaaa
+
+/^.*xyz/
+ xyz
+ 0: xyz
+ ggggggggxyz
+ 0: ggggggggxyz
+
+/^.+xyz/
+ abcdxyz
+ 0: abcdxyz
+ axyz
+ 0: axyz
+\= Expect no match
+ xyz
+No match
+
+/^.?xyz/
+ xyz
+ 0: xyz
+ cxyz
+ 0: cxyz
+
+/^\d{2,3}X/
+ 12X
+ 0: 12X
+ 123X
+ 0: 123X
+\= Expect no match
+ X
+No match
+ 1X
+No match
+ 1234X
+No match
+
+/^[abcd]\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+\= Expect no match
+ e45
+No match
+ abcd
+No match
+ abcd1234
+No match
+ 1234
+No match
+
+/^[abcd]*\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ abcd1234
+ 0: abcd1
+ 1234
+ 0: 1
+\= Expect no match
+ e45
+No match
+ abcd
+No match
+
+/^[abcd]+\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ abcd1234
+ 0: abcd1
+\= Expect no match
+ 1234
+No match
+ e45
+No match
+ abcd
+No match
+
+/^a+X/
+ aX
+ 0: aX
+ aaX
+ 0: aaX
+
+/^[abcd]?\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ 1234
+ 0: 1
+\= Expect no match
+ abcd1234
+No match
+ e45
+No match
+
+/^[abcd]{2,3}\d/
+ ab45
+ 0: ab4
+ bcd93
+ 0: bcd9
+\= Expect no match
+ 1234
+No match
+ a36
+No match
+ abcd1234
+No match
+ ee45
+No match
+
+/^(abc)*\d/
+ abc45
+ 0: abc4
+ abcabcabc45
+ 0: abcabcabc4
+ 42xyz
+ 0: 4
+
+/^(abc)+\d/
+ abc45
+ 0: abc4
+ abcabcabc45
+ 0: abcabcabc4
+\= Expect no match
+ 42xyz
+No match
+
+/^(abc)?\d/
+ abc45
+ 0: abc4
+ 42xyz
+ 0: 4
+\= Expect no match
+ abcabcabc45
+No match
+
+/^(abc){2,3}\d/
+ abcabc45
+ 0: abcabc4
+ abcabcabc45
+ 0: abcabcabc4
+\= Expect no match
+ abcabcabcabc45
+No match
+ abc45
+No match
+ 42xyz
+No match
+
+/1(abc|xyz)2(?1)3/
+ 1abc2abc3456
+ 0: 1abc2abc3
+ 1abc2xyz3456
+ 0: 1abc2xyz3
+
+/^(a*\w|ab)=(a*\w|ab)/
+ ab=ab
+ 0: ab=ab
+ 1: ab=a
+
+/^(a*\w|ab)=(?1)/
+ ab=ab
+ 0: ab=ab
+ 1: ab=a
+
+/^([^()]|\((?1)*\))*$/
+ abc
+ 0: abc
+ a(b)c
+ 0: a(b)c
+ a(b(c))d
+ 0: a(b(c))d
+\= Expect no match)
+ a(b(c)d
+No match
+
+/^>abc>([^()]|\((?1)*\))*<xyz<$/
+ >abc>123<xyz<
+ 0: >abc>123<xyz<
+ >abc>1(2)3<xyz<
+ 0: >abc>1(2)3<xyz<
+ >abc>(1(2)3)<xyz<
+ 0: >abc>(1(2)3)<xyz<
+
+/^(?>a*)\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x
+ <>
+ 0: <>
+ <abcd>
+ 0: <abcd>
+ <abc <123> hij>
+ 0: <abc <123> hij>
+ <abc <def> hij>
+ 0: <def>
+ <abc<>def>
+ 0: <abc<>def>
+ <abc<>
+ 0: <>
+\= Expect no match
+ <abc
+No match
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+\= Expect no match
+ 123
+No match
+ xyz
+No match
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+\= Expect no match
+ 123
+No match
+ xyz
+No match
+
+/^(?=abc)\w{5}:$/
+ abcde:
+ 0: abcde:
+\= Expect no match
+ abc..
+No match
+ 123
+No match
+ vwxyz
+No match
+
+/^(?!abc)\d\d$/
+ 12
+ 0: 12
+\= Expect no match
+ abcde:
+No match
+ abc..
+No match
+ 123
+No match
+ vwxyz
+No match
+
+/(?<=abc|xy)123/
+ abc12345
+ 0: 123
+ wxy123z
+ 0: 123
+\= Expect no match
+ 123abc
+No match
+
+/(?<!abc|xy)123/
+ 123abc
+ 0: 123
+ mno123456
+ 0: 123
+\= Expect no match
+ abc12345
+No match
+ wxy123z
+No match
+
+/abc(?C1)xyz/
+ abcxyz
+--->abcxyz
+ 1 ^ ^ x
+ 0: abcxyz
+ 123abcxyz999
+--->123abcxyz999
+ 1 ^ ^ x
+ 0: abcxyz
+
+/(ab|cd){3,4}/auto_callout
+ ababab
+--->ababab
+ +0 ^ (
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
++12 ^ ^ End of pattern
+ +1 ^ ^ a
+ +4 ^ ^ c
+ 0: ababab
+ abcdabcd
+--->abcdabcd
+ +0 ^ (
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ ){3,4}
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
++12 ^ ^ End of pattern
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ ){3,4}
++12 ^ ^ End of pattern
+ 0: abcdabcd
+ 1: abcdab
+ abcdcdcdcdcd
+--->abcdcdcdcdcd
+ +0 ^ (
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ ){3,4}
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ ){3,4}
++12 ^ ^ End of pattern
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ ){3,4}
++12 ^ ^ End of pattern
+ 0: abcdcdcd
+ 1: abcdcd
+
+/^abc/
+ abcdef
+ 0: abc
+\= Expect no match
+ abcdef\=notbol
+No match
+
+/^(a*|xyz)/
+ bcd
+ 0:
+ aaabcd
+ 0: aaa
+ xyz
+ 0: xyz
+ 1:
+ xyz\=notempty
+ 0: xyz
+\= Expect no match
+ bcd\=notempty
+No match
+
+/xyz$/
+ xyz
+ 0: xyz
+ xyz\n
+ 0: xyz
+\= Expect no match
+ xyz\=noteol
+No match
+ xyz\n\=noteol
+No match
+
+/xyz$/m
+ xyz
+ 0: xyz
+ xyz\n
+ 0: xyz
+ abcxyz\npqr
+ 0: xyz
+ abcxyz\npqr\=noteol
+ 0: xyz
+ xyz\n\=noteol
+ 0: xyz
+\= Expect no match
+ xyz\=noteol
+No match
+
+/\Gabc/
+ abcdef
+ 0: abc
+ defabcxyz\=offset=3
+ 0: abc
+\= Expect no match
+ defabcxyz
+No match
+
+/^abcdef/
+ ab\=ps
+Partial match: ab
+ abcde\=ps
+Partial match: abcde
+ abcdef\=ps
+ 0: abcdef
+\= Expect no match
+ abx\=ps
+No match
+
+/^a{2,4}\d+z/
+ a\=ps
+Partial match: a
+ aa\=ps
+Partial match: aa
+ aa2\=ps
+Partial match: aa2
+ aaa\=ps
+Partial match: aaa
+ aaa23\=ps
+Partial match: aaa23
+ aaaa12345\=ps
+Partial match: aaaa12345
+ aa0z\=ps
+ 0: aa0z
+ aaaa4444444444444z\=ps
+ 0: aaaa4444444444444z
+\= Expect no match
+ az\=ps
+No match
+ aaaaa\=ps
+No match
+ a56\=ps
+No match
+
+/^abcdef/
+ abc\=ps
+Partial match: abc
+ def\=dfa_restart
+ 0: def
+
+/(?<=foo)bar/
+ foob\=ps,offset=2
+Partial match: foob
+ <<<
+ foobar...\=ps,dfa_restart,offset=4
+ 0: ar
+ foobar\=offset=2
+ 0: bar
+\= Expect no match
+ xyzfo\=ps
+No match
+ obar\=dfa_restart
+No match
+
+/(ab*(cd|ef))+X/
+ lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\=ps,notbol,noteol
+Partial match: abbbbbbcdaefabbbbbbbefa
+ cdabbbbbbbb\=ps,notbol,dfa_restart,noteol
+Partial match: cdabbbbbbbb
+ efabbbbbbbbbbbbbbbb\=ps,notbol,dfa_restart,noteol
+Partial match: efabbbbbbbbbbbbbbbb
+ bbbbbbbbbbbbcdXyasdfadf\=ps,notbol,dfa_restart,noteol
+ 0: bbbbbbbbbbbbcdX
+\= Expect no match
+ adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\=ps,noteol
+No match
+
+/the quick brown fox/
+ the quick brown fox
+ 0: the quick brown fox
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+\= Expect no match
+ The quick brown FOX
+No match
+ What do you know about THE QUICK BROWN FOX?
+No match
+
+/The quick brown fox/i
+ the quick brown fox
+ 0: the quick brown fox
+ The quick brown FOX
+ 0: The quick brown FOX
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+ What do you know about THE QUICK BROWN FOX?
+ 0: THE QUICK BROWN FOX
+
+/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
+ abcd\t\n\r\f\a\e9;\$\\?caxyz
+ 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
+
+/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ aabxyzpqrrrabbxyyyypqAzz
+ 0: aabxyzpqrrrabbxyyyypqAzz
+ aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+ aabcxyzpqrrrabbxyyyypqAzz
+ 0: aabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypAzz
+ 0: aaabcxyzpqrrrabbxyyyypAzz
+ aaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ aaaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzpqrrrabbxyyyypqAzz
+ abxyzzpqrrrabbxyyyypqAzz
+ 0: abxyzzpqrrrabbxyyyypqAzz
+ aabxyzzzpqrrrabbxyyyypqAzz
+ 0: aabxyzzzpqrrrabbxyyyypqAzz
+ aaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabxyzzzzpqrrrabbxyyyypqAzz
+ aaaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzzzzpqrrrabbxyyyypqAzz
+ abcxyzzpqrrrabbxyyyypqAzz
+ 0: abcxyzzpqrrrabbxyyyypqAzz
+ aabcxyzzzpqrrrabbxyyyypqAzz
+ 0: aabcxyzzzpqrrrabbxyyyypqAzz
+ aaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypABzz
+ 0: aaabcxyzpqrrrabbxyyyypABzz
+ aaabcxyzpqrrrabbxyyyypABBzz
+ 0: aaabcxyzpqrrrabbxyyyypABBzz
+ >>>aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ >aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ >>>>abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+\= Expect no match
+ abxyzpqrrabbxyyyypqAzz
+No match
+ abxyzpqrrrrabbxyyyypqAzz
+No match
+ abxyzpqrrrabxyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyypqAzz
+No match
+ aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
+No match
+
+/^(abc){1,2}zz/
+ abczz
+ 0: abczz
+ abcabczz
+ 0: abcabczz
+\= Expect no match
+ zz
+No match
+ abcabcabczz
+No match
+ >>abczz
+No match
+
+/^(b+?|a){1,2}?c/
+ bc
+ 0: bc
+ bbc
+ 0: bbc
+ bbbc
+ 0: bbbc
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ aac
+ 0: aac
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+\= Expect no match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}c/
+ bc
+ 0: bc
+ bbc
+ 0: bbc
+ bbbc
+ 0: bbbc
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ aac
+ 0: aac
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+\= Expect no match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}?bc/
+ bbc
+ 0: bbc
+
+/^(b*|ba){1,2}?bc/
+ babc
+ 0: babc
+ bbabc
+ 0: bbabc
+ bababc
+ 0: bababc
+\= Expect no match
+ bababbc
+No match
+ babababc
+No match
+
+/^(ba|b*){1,2}?bc/
+ babc
+ 0: babc
+ bbabc
+ 0: bbabc
+ bababc
+ 0: bababc
+\= Expect no match
+ bababbc
+No match
+ babababc
+No match
+
+/^\ca\cA\c[\c{\c:/
+ \x01\x01\e;z
+ 0: \x01\x01\x1b;z
+
+/^[ab\]cde]/
+ athing
+ 0: a
+ bthing
+ 0: b
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+\= Expect no match
+ fthing
+No match
+ [thing
+No match
+ \\thing
+No match
+
+/^[]cde]/
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+\= Expect no match
+ athing
+No match
+ fthing
+No match
+
+/^[^ab\]cde]/
+ fthing
+ 0: f
+ [thing
+ 0: [
+ \\thing
+ 0: \
+\= Expect no match
+ athing
+No match
+ bthing
+No match
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^[^]cde]/
+ athing
+ 0: a
+ fthing
+ 0: f
+\= Expect no match
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^\\81/
+ \81
+ 0: \x81
+
+/^ÿ/
+ ÿ
+ 0: \xff
+
+/^[0-9]+$/
+ 0
+ 0: 0
+ 1
+ 0: 1
+ 2
+ 0: 2
+ 3
+ 0: 3
+ 4
+ 0: 4
+ 5
+ 0: 5
+ 6
+ 0: 6
+ 7
+ 0: 7
+ 8
+ 0: 8
+ 9
+ 0: 9
+ 10
+ 0: 10
+ 100
+ 0: 100
+\= Expect no match
+ abc
+No match
+
+/^.*nter/
+ enter
+ 0: enter
+ inter
+ 0: inter
+ uponter
+ 0: uponter
+
+/^xxx[0-9]+$/
+ xxx0
+ 0: xxx0
+ xxx1234
+ 0: xxx1234
+\= Expect no match
+ xxx
+No match
+
+/^.+[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ x1234
+ 0: x1234
+\= Expect no match
+ 123
+No match
+
+/^.+?[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ x1234
+ 0: x1234
+\= Expect no match
+ 123
+No match
+
+/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
+ abc!pqr=apquxz.ixr.zzz.ac.uk
+ 0: abc!pqr=apquxz.ixr.zzz.ac.uk
+\= Expect no match
+ !pqr=apquxz.ixr.zzz.ac.uk
+No match
+ abc!=apquxz.ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz:ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz.ixr.zzz.ac.ukk
+No match
+
+/:/
+ Well, we need a colon: somewhere
+ 0: :
+\= Expect no match
+ No match without a colon
+No match
+
+/([\da-f:]+)$/i
+ 0abc
+ 0: 0abc
+ abc
+ 0: abc
+ fed
+ 0: fed
+ E
+ 0: E
+ ::
+ 0: ::
+ 5f03:12C0::932e
+ 0: 5f03:12C0::932e
+ fed def
+ 0: def
+ Any old stuff
+ 0: ff
+\= Expect no match
+ 0zzz
+No match
+ gzzz
+No match
+ fed\x20
+No match
+ Any old rubbish
+No match
+
+/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
+ .1.2.3
+ 0: .1.2.3
+ A.12.123.0
+ 0: A.12.123.0
+\= Expect no match
+ .1.2.3333
+No match
+ 1.2.3
+No match
+ 1234.2.3
+No match
+
+/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
+ 1 IN SOA non-sp1 non-sp2(
+ 0: 1 IN SOA non-sp1 non-sp2(
+ 1 IN SOA non-sp1 non-sp2 (
+ 0: 1 IN SOA non-sp1 non-sp2 (
+\= Expect no match
+ 1IN SOA non-sp1 non-sp2(
+No match
+
+/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
+ a.
+ 0: a.
+ Z.
+ 0: Z.
+ 2.
+ 0: 2.
+ ab-c.pq-r.
+ 0: ab-c.pq-r.
+ sxk.zzz.ac.uk.
+ 0: sxk.zzz.ac.uk.
+ x-.y-.
+ 0: x-.y-.
+\= Expect no match
+ -abc.peq.
+No match
+
+/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
+ *.a
+ 0: *.a
+ *.b0-a
+ 0: *.b0-a
+ *.c3-b.c
+ 0: *.c3-b.c
+ *.c-a.b-c
+ 0: *.c-a.b-c
+\= Expect no match
+ *.0
+No match
+ *.a-
+No match
+ *.a-b.c-
+No match
+ *.c-a.0-c
+No match
+
+/^(?=ab(de))(abd)(e)/
+ abde
+ 0: abde
+
+/^(?!(ab)de|x)(abd)(f)/
+ abdf
+ 0: abdf
+
+/^(?=(ab(cd)))(ab)/
+ abcd
+ 0: ab
+
+/^[\da-f](\.[\da-f])*$/i
+ a.b.c.d
+ 0: a.b.c.d
+ A.B.C.D
+ 0: A.B.C.D
+ a.b.c.1.2.3.C
+ 0: a.b.c.1.2.3.C
+
+/^\".*\"\s*(;.*)?$/
+ \"1234\"
+ 0: "1234"
+ \"abcd\" ;
+ 0: "abcd" ;
+ \"\" ; rhubarb
+ 0: "" ; rhubarb
+\= Expect no match
+ \"1234\" : things
+No match
+
+/^$/
+ \
+ 0:
+
+/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
+ ab c
+ 0: ab c
+\= Expect no match
+ abc
+No match
+ ab cde
+No match
+
+/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
+ ab c
+ 0: ab c
+\= Expect no match
+ abc
+No match
+ ab cde
+No match
+
+/^ a\ b[c ]d $/x
+ a bcd
+ 0: a bcd
+ a b d
+ 0: a b d
+\= Expect no match
+ abcd
+No match
+ ab d
+No match
+
+/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+
+/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+
+/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
+ a+ Z0+\x08\n\x1d\x12
+ 0: a+ Z0+\x08\x0a\x1d\x12
+
+/^[.^$|()*+?{,}]+/
+ .^\$(*+)|{?,?}
+ 0: .^$(*+)|{?,?}
+
+/^a*\w/
+ z
+ 0: z
+ az
+ 0: az
+ 1: a
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ 3: a
+ a
+ 0: a
+ aa
+ 0: aa
+ 1: a
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ a+
+ 0: a
+ aa+
+ 0: aa
+ 1: a
+
+/^a*?\w/
+ z
+ 0: z
+ az
+ 0: az
+ 1: a
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ 3: a
+ a
+ 0: a
+ aa
+ 0: aa
+ 1: a
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ a+
+ 0: a
+ aa+
+ 0: aa
+ 1: a
+
+/^a+\w/
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ aa+
+ 0: aa
+
+/^a+?\w/
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ aa+
+ 0: aa
+
+/^\d{8}\w{2,}/
+ 1234567890
+ 0: 1234567890
+ 12345678ab
+ 0: 12345678ab
+ 12345678__
+ 0: 12345678__
+\= Expect no match
+ 1234567
+No match
+
+/^[aeiou\d]{4,5}$/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 12345
+ aaaaa
+ 0: aaaaa
+\= Expect no match
+ 123456
+No match
+
+/^[aeiou\d]{4,5}?/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 12345
+ 1: 1234
+ aaaaa
+ 0: aaaaa
+ 1: aaaa
+ 123456
+ 0: 12345
+ 1: 1234
+
+/^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+
+/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+ From abcd Mon Sep 1 12:33:02 1997
+ 0: From abcd Mon Sep 1 12:33
+\= Expect no match
+ From abcd Sep 01 12:33:02 1997
+No match
+
+/^12.34/s
+ 12\n34
+ 0: 12\x0a34
+ 12\r34
+ 0: 12\x0d34
+
+/\w+(?=\t)/
+ the quick brown\t fox
+ 0: brown
+
+/foo(?!bar)(.*)/
+ foobar is foolish see?
+ 0: foolish see?
+
+/(?:(?!foo)...|^.{0,2})bar(.*)/
+ foobar crowbar etc
+ 0: rowbar etc
+ barrel
+ 0: barrel
+ 2barrel
+ 0: 2barrel
+ A barrel
+ 0: A barrel
+
+/^(\D*)(?=\d)(?!123)/
+ abc456
+ 0: abc
+\= Expect no match
+ abc123
+No match
+
+/^1234(?# test newlines
+ inside)/
+ 1234
+ 0: 1234
+
+/^1234 #comment in extended re
+ /x
+ 1234
+ 0: 1234
+
+/#rhubarb
+ abcd/x
+ abcd
+ 0: abcd
+
+/^abcd#rhubarb/x
+ abcd
+ 0: abcd
+
+/(?!^)abc/
+ the abc
+ 0: abc
+\= Expect no match
+ abc
+No match
+
+/(?=^)abc/
+ abc
+ 0: abc
+\= Expect no match
+ the abc
+No match
+
+/^[ab]{1,3}(ab*|b)/no_auto_possess
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}?(ab*|b)/no_auto_possess
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}?(ab*?|b)/no_auto_possess
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}(ab*?|b)/no_auto_possess
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/ (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* # optional leading comment
+(?: (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+) # initial word
+(?: (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+) )* # further okay, if led by a period
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* @ (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # initial subdomain
+(?: #
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. # if led by a period...
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # ...further okay
+)*
+# address
+| # or
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+) # one word, optionally followed by....
+(?:
+[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or...
+\(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) | # comments, or...
+
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+# quoted strings
+)*
+< (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* # leading <
+(?: @ (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # initial subdomain
+(?: #
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. # if led by a period...
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # ...further okay
+)*
+
+(?: (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* , (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* @ (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # initial subdomain
+(?: #
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. # if led by a period...
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # ...further okay
+)*
+)* # further okay, if led by comma
+: # closing colon
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* )? # optional route
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+) # initial word
+(?: (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+" (?: # opening quote...
+[^\\\x80-\xff\n\015"] # Anything except backslash and quote
+| # or
+\\ [^\x80-\xff] # Escaped something (something != CR)
+)* " # closing quote
+) )* # further okay, if led by a period
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* @ (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # initial subdomain
+(?: #
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* \. # if led by a period...
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* (?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+| \[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+) # ...further okay
+)*
+# address spec
+(?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* > # trailing >
+# name and address
+) (?: [\040\t] | \(
+(?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
+\) )* # optional trailing comment
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <user@dom.ain>
+ <user\@dom.ain>
+ 0: user@dom.ain
+ 1: user@dom
+ user\@dom.ain
+ 0: user@dom.ain
+ 1: user@dom
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <user.1234@dom.ain> (a comment)
+ 1: "A. Other" <user.1234@dom.ain>
+ 2: "A. Other" <user.1234@dom.ain>
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <user.1234@dom.ain> (a comment)
+ 1: Other <user.1234@dom.ain>
+ 2: Other <user.1234@dom.ain>
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
+ A missing angle <user\@some.where
+ 0: user@some.where
+ 1: user@some
+\= Expect no match
+ The quick brown fox
+No match
+
+/[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional leading comment
+(?:
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+# Atom
+| # or
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+# Quoted string
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+# Atom
+| # or
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+# Quoted string
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# additional words
+)*
+@
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+)*
+# address
+| # or
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+# Atom
+| # or
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+# Quoted string
+)
+# leading word
+[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces
+(?:
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+|
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+) # "special" comment or quoted string
+[^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal"
+)*
+<
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# <
+(?:
+@
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+)*
+(?: ,
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+@
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+)*
+)* # additional domains
+:
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+)? # optional route
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+# Atom
+| # or
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+# Quoted string
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+# Atom
+| # or
+" # "
+[^\\\x80-\xff\n\015"] * # normal
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
+" # "
+# Quoted string
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# additional words
+)*
+@
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+(?:
+\.
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+(?:
+[^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
+(?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
+|
+\[ # [
+(?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
+\] # ]
+)
+[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # special
+[^\\\x80-\xff\n\015()] * # normal*
+)* # )*
+\) # )
+[\040\t]* )* # If comment found, allow more spaces.
+# optional trailing comments
+)*
+# address spec
+> # >
+# name and address
+)
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <user@dom.ain>
+ <user\@dom.ain>
+ 0: user@dom.ain
+ 1: user@dom
+ user\@dom.ain
+ 0: user@dom.ain
+ 1: user@dom
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <user.1234@dom.ain>
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <user.1234@dom.ain>
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
+ A missing angle <user\@some.where
+ 0: user@some.where
+ 1: user@some
+\= Expect no match
+ The quick brown fox
+No match
+
+/abc\0def\00pqr\000xyz\0000AB/
+ abc\0def\00pqr\000xyz\0000AB
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+ abc456 abc\0def\00pqr\000xyz\0000ABCDE
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+
+/abc\x0def\x00pqr\x000xyz\x0000AB/
+ abc\x0def\x00pqr\x000xyz\x0000AB
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+ abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+
+/^[\000-\037]/
+ \0A
+ 0: \x00
+ \01B
+ 0: \x01
+ \037C
+ 0: \x1f
+
+/\0*/
+ \0\0\0\0
+ 0: \x00\x00\x00\x00
+
+/A\x0{2,3}Z/
+ The A\x0\x0Z
+ 0: A\x00\x00Z
+ An A\0\x0\0Z
+ 0: A\x00\x00\x00Z
+\= Expect no match
+ A\0Z
+No match
+ A\0\x0\0\x0Z
+No match
+
+/^\s/
+ \040abc
+ 0:
+ \x0cabc
+ 0: \x0c
+ \nabc
+ 0: \x0a
+ \rabc
+ 0: \x0d
+ \tabc
+ 0: \x09
+\= Expect no match
+ abc
+No match
+
+/^a b
+ \f c/x
+ abc
+ 0: abc
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+ abbbc
+ 0: abbbc
+ abbc
+ 0: abbc
+\= Expect no match
+ abc
+No match
+ abbbbbc
+No match
+
+/([^.]*)\.([^:]*):[T ]+(.*)/
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+
+/([^.]*)\.([^:]*):[T ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+
+/([^.]*)\.([^:]*):[t ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+
+/^[W-c]+$/
+ WXY_^abc
+ 0: WXY_^abc
+\= Expect no match
+ wxy
+No match
+
+/^[W-c]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^[\x3f-\x5F]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^abc$/m
+ abc
+ 0: abc
+ qqq\nabc
+ 0: abc
+ abc\nzzz
+ 0: abc
+ qqq\nabc\nzzz
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+\= Expect no match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\Aabc\Z/m
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+\= Expect no match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\A(.)*\Z/s
+ abc\ndef
+ 0: abc\x0adef
+
+/\A(.)*\Z/m
+\= Expect no match
+ abc\ndef
+No match
+
+/(?:b)|(?::+)/
+ b::c
+ 0: b
+ c::b
+ 0: ::
+
+/[-az]+/
+ az-
+ 0: az-
+\= Expect no match
+ b
+No match
+
+/[az-]+/
+ za-
+ 0: za-
+\= Expect no match
+ b
+No match
+
+/[a\-z]+/
+ a-z
+ 0: a-z
+\= Expect no match
+ b
+No match
+
+/[a-z]+/
+ abcdxyz
+ 0: abcdxyz
+
+/[\d-]+/
+ 12-34
+ 0: 12-34
+\= Expect no match
+ aaa
+No match
+
+/\x5c/
+ \\
+ 0: \
+
+/\x20Z/
+ the Zoo
+ 0: Z
+\= Expect no match
+ Zulu
+No match
+
+/ab{3cd/
+ ab{3cd
+ 0: ab{3cd
+
+/ab{3,cd/
+ ab{3,cd
+ 0: ab{3,cd
+
+/ab{3,4a}cd/
+ ab{3,4a}cd
+ 0: ab{3,4a}cd
+
+/{4,5a}bc/
+ {4,5a}bc
+ 0: {4,5a}bc
+
+/^a.b/newline=lf
+ a\rb
+ 0: a\x0db
+\= Expect no match
+ a\nb
+No match
+
+/abc$/
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+\= Expect no match
+ abc\ndef
+No match
+
+/(abc)\123/
+ abc\x53
+ 0: abcS
+
+/(abc)\223/
+ abc\x93
+ 0: abc\x93
+
+/(abc)\323/
+ abc\xd3
+ 0: abc\xd3
+
+/(abc)\100/
+ abc\x40
+ 0: abc@
+ abc\100
+ 0: abc@
+
+/(abc)\1000/
+ abc\x400
+ 0: abc@0
+ abc\x40\x30
+ 0: abc@0
+ abc\1000
+ 0: abc@0
+ abc\100\x30
+ 0: abc@0
+ abc\100\060
+ 0: abc@0
+ abc\100\60
+ 0: abc@0
+
+/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
+ abcdefghijk\12S
+ 0: abcdefghijk\x0aS
+
+/a{0}bc/
+ bc
+ 0: bc
+
+/(a|(bc)){0,0}?xyz/
+ xyz
+ 0: xyz
+
+/abc[\10]de/
+ abc\010de
+ 0: abc\x08de
+
+/abc[\1]de/
+ abc\1de
+ 0: abc\x01de
+
+/(abc)[\1]de/
+ abc\1de
+ 0: abc\x01de
+
+/(?s)a.b/
+ a\nb
+ 0: a\x0ab
+
+/^([^a])([^\b])([^c]*)([^d]{3,4})/
+ baNOTccccd
+ 0: baNOTcccc
+ 1: baNOTccc
+ 2: baNOTcc
+ 3: baNOTc
+ baNOTcccd
+ 0: baNOTccc
+ 1: baNOTcc
+ 2: baNOTc
+ baNOTccd
+ 0: baNOTcc
+ 1: baNOTc
+ bacccd
+ 0: baccc
+\= Expect no match
+ anything
+No match
+ b\bc
+No match
+ baccd
+No match
+
+/[^a]/
+ Abc
+ 0: A
+
+/[^a]/i
+ Abc
+ 0: b
+
+/[^a]+/
+ AAAaAbc
+ 0: AAA
+
+/[^a]+/i
+ AAAaAbc
+ 0: bc
+
+/[^a]+/
+ bbb\nccc
+ 0: bbb\x0accc
+
+/[^k]$/
+ abc
+ 0: c
+\= Expect no match
+ abk
+No match
+
+/[^k]{2,3}$/
+ abc
+ 0: abc
+ kbc
+ 0: bc
+ kabc
+ 0: abc
+\= Expect no match
+ abk
+No match
+ akb
+No match
+ akk
+No match
+
+/^\d{8,}\@.+[^k]$/
+ 12345678\@a.b.c.d
+ 0: 12345678@a.b.c.d
+ 123456789\@x.y.z
+ 0: 123456789@x.y.z
+\= Expect no match
+ 12345678\@x.y.uk
+No match
+ 1234567\@a.b.c.d
+No match
+
+/[^a]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^a]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
+/[^az]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^az]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
+/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
+ \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
+ 0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
+
+/P[^*]TAIRE[^*]{1,6}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/P[^*]TAIRE[^*]{1,}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/(\.\d\d[1-9]?)\d+/
+ 1.230003938
+ 0: .230003938
+ 1.875000282
+ 0: .875000282
+ 1.235
+ 0: .235
+
+/(\.\d\d((?=0)|\d(?=\d)))/
+ 1.230003938
+ 0: .230
+ 1: .23
+ 1.875000282
+ 0: .875
+\= Expect no match
+ 1.235
+No match
+
+/a(?)b/
+ ab
+ 0: ab
+
+/\b(foo)\s+(\w+)/i
+ Food is on the foo table
+ 0: foo table
+
+/foo(.*)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar in the bar
+ 1: food is under the bar
+
+/foo(.*?)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar in the bar
+ 1: food is under the bar
+
+/(.*)(\d*)/no_auto_possess
+ I have 2 numbers: 53147
+Matched, but offsets vector is too small to show all matches
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2 numbers:
+ 6: I have 2 numbers:
+ 7: I have 2 numbers
+ 8: I have 2 number
+ 9: I have 2 numbe
+10: I have 2 numb
+11: I have 2 num
+12: I have 2 nu
+13: I have 2 n
+14: I have 2
+
+/(.*)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2
+
+/(.*?)(\d*)/no_auto_possess
+ I have 2 numbers: 53147
+Matched, but offsets vector is too small to show all matches
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2 numbers:
+ 6: I have 2 numbers:
+ 7: I have 2 numbers
+ 8: I have 2 number
+ 9: I have 2 numbe
+10: I have 2 numb
+11: I have 2 num
+12: I have 2 nu
+13: I have 2 n
+14: I have 2
+
+/(.*?)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2
+
+/(.*)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*?)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*)\b(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*\D)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/^\D*(?!123)/
+ ABC123
+ 0: AB
+ 1: A
+ 2:
+
+/^(\D*)(?=\d)(?!123)/
+ ABC445
+ 0: ABC
+\= Expect no match
+ ABC123
+No match
+
+/^[W-]46]/
+ W46]789
+ 0: W46]
+ -46]789
+ 0: -46]
+\= Expect no match
+ Wall
+No match
+ Zebra
+No match
+ 42
+No match
+ [abcd]
+No match
+ ]abcd[
+No match
+
+/^[W-\]46]/
+ W46]789
+ 0: W
+ Wall
+ 0: W
+ Zebra
+ 0: Z
+ Xylophone
+ 0: X
+ 42
+ 0: 4
+ [abcd]
+ 0: [
+ ]abcd[
+ 0: ]
+ \\backslash
+ 0: \
+\= Expect no match
+ -46]789
+No match
+ well
+No match
+
+/\d\d\/\d\d\/\d\d\d\d/
+ 01/01/2000
+ 0: 01/01/2000
+
+/word (?:[a-zA-Z0-9]+ ){0,10}otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+\= Expect no match
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?:[a-zA-Z0-9]+ ){0,300}otherword/
+\= Expect no match
+ word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
+No match
+
+/^(a){0,0}/
+ bcd
+ 0:
+ abc
+ 0:
+ aab
+ 0:
+
+/^(a){0,1}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: a
+ 1:
+
+/^(a){0,2}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+
+/^(a){0,3}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ 3:
+
+/^(a){0,}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ 3:
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: aaaaaaa
+ 2: aaaaaa
+ 3: aaaaa
+ 4: aaaa
+ 5: aaa
+ 6: aa
+ 7: a
+ 8:
+
+/^(a){1,1}/
+ abc
+ 0: a
+ aab
+ 0: a
+\= Expect no match
+ bcd
+No match
+
+/^(a){1,2}/
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+\= Expect no match
+ bcd
+No match
+
+/^(a){1,3}/
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+\= Expect no match
+ bcd
+No match
+
+/^(a){1,}/
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: aaaaaaa
+ 2: aaaaaa
+ 3: aaaaa
+ 4: aaaa
+ 5: aaa
+ 6: aa
+ 7: a
+\= Expect no match
+ bcd
+No match
+
+/.*\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.{0,}\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/m
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/s
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif
+
+/.*\.gif/ms
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif
+
+/.*$/
+ borfle\nbib.gif\nno
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno
+ 0: borfle
+
+/.*$/s
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+
+/.*$/ms
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+ 1: borfle\x0abib.gif
+ 2: borfle
+
+/.*$/
+ borfle\nbib.gif\nno\n
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno\n
+ 0: borfle
+
+/.*$/s
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+ 1: borfle\x0abib.gif\x0ano
+
+/.*$/ms
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+ 1: borfle\x0abib.gif\x0ano
+ 2: borfle\x0abib.gif
+ 3: borfle
+
+/(.*X|^B)/
+ abcde\n1234Xyz
+ 0: 1234X
+ BarFoo
+ 0: B
+\= Expect no match
+ abcde\nBar
+No match
+
+/(.*X|^B)/m
+ abcde\n1234Xyz
+ 0: 1234X
+ BarFoo
+ 0: B
+ abcde\nBar
+ 0: B
+
+/(.*X|^B)/s
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+\= Expect no match
+ abcde\nBar
+No match
+
+/(.*X|^B)/ms
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ abcde\nBar
+ 0: B
+
+/(?s)(.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+\= Expect no match
+ abcde\nBar
+No match
+
+/(?s:.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+\= Expect no match
+ abcde\nBar
+No match
+
+/^.*B/
+\= Expect no match
+ abc\nB
+No match
+
+/(?s)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?m)^.*B/
+ abc\nB
+ 0: B
+
+/(?ms)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?ms)^B/
+ abc\nB
+ 0: B
+
+/(?s)B$/
+ B\n
+ 0: B
+
+/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
+ 123456654321
+ 0: 123456654321
+
+/^\d\d\d\d\d\d\d\d\d\d\d\d/
+ 123456654321
+ 0: 123456654321
+
+/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
+ 123456654321
+ 0: 123456654321
+
+/^[abc]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^[a-c]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^(a|b|c){12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^[abcdefghijklmnopqrstuvwxy0123456789]/
+ n
+ 0: n
+\= Expect no match
+ z
+No match
+
+/abcde{0,0}/
+ abcd
+ 0: abcd
+\= Expect no match
+ abce
+No match
+
+/ab[cd]{0,0}e/
+ abe
+ 0: abe
+\= Expect no match
+ abcde
+No match
+
+/ab(c){0,0}d/
+ abd
+ 0: abd
+\= Expect no match
+ abcd
+No match
+
+/a(b*)/
+ a
+ 0: a
+ ab
+ 0: ab
+ abbbb
+ 0: abbbb
+\= Expect no match
+ bbbbb
+No match
+
+/ab\d{0}e/
+ abe
+ 0: abe
+\= Expect no match
+ ab1e
+No match
+
+/"([^\\"]+|\\.)*"/
+ the \"quick\" brown fox
+ 0: "quick"
+ \"the \\\"quick\\\" brown fox\"
+ 0: "the \"quick\" brown fox"
+
+/.*?/g,aftertext
+ abc
+ 0: abc
+ 0+
+ 1: ab
+ 2: a
+ 3:
+ 0:
+ 0+
+
+/\b/g,aftertext
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+/\b/g,aftertext
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+//g
+ abc
+ 0:
+ 0:
+ 0:
+ 0:
+
+/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
+ <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+ 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+
+/a[^a]b/
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/
+ acb
+ 0: acb
+\= Expect no match
+ a\nb
+No match
+
+/a[^a]b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/^(b+?|a){1,2}?c/
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ bbbac
+ 0: bbbac
+ bbbbac
+ 0: bbbbac
+ bbbbbac
+ 0: bbbbbac
+
+/^(b+|a){1,2}?c/
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ bbbac
+ 0: bbbac
+ bbbbac
+ 0: bbbbac
+ bbbbbac
+ 0: bbbbbac
+
+/(?!\A)x/m
+ a\bx\n
+ 0: x
+\= Expect no match
+ x\nb\n
+No match
+
+/\x0{ab}/
+ \0{ab}
+ 0: \x00{ab}
+
+/(A|B)*?CD/
+ CD
+ 0: CD
+
+/(A|B)*CD/
+ CD
+ 0: CD
+
+/(?<!bar)foo/
+ foo
+ 0: foo
+ catfood
+ 0: foo
+ arfootle
+ 0: foo
+ rfoosh
+ 0: foo
+\= Expect no match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/\w{3}(?<!bar)foo/
+ catfood
+ 0: catfoo
+\= Expect no match
+ foo
+No match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/(?<=(foo)a)bar/
+ fooabar
+ 0: bar
+\= Expect no match
+ bar
+No match
+ foobbar
+No match
+
+/\Aabc\z/m
+ abc
+ 0: abc
+\= Expect no match
+ abc\n
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+"(?>.*/)foo"
+\= Expect no match
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
+No match
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+ 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+
+/(?>(\.\d\d[1-9]?))\d+/
+ 1.230003938
+ 0: .230003938
+ 1.875000282
+ 0: .875000282
+\= Expect no match
+ 1.235
+No match
+
+/^((?>\w+)|(?>\s+))*$/
+ now is the time for all good men to come to the aid of the party
+ 0: now is the time for all good men to come to the aid of the party
+\= Expect no match
+ this is not a line with only words and spaces!
+No match
+
+/(\d+)(\w)/
+ 12345a
+ 0: 12345a
+ 1: 12345
+ 2: 1234
+ 3: 123
+ 4: 12
+ 12345+
+ 0: 12345
+ 1: 1234
+ 2: 123
+ 3: 12
+
+/((?>\d+))(\w)/
+ 12345a
+ 0: 12345a
+\= Expect no match
+ 12345+
+No match
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+
+/(?>b)+/
+ aaabbbccc
+ 0: bbb
+ 1: bb
+ 2: b
+
+/(?>a+|b+|c+)*c/
+ aaabbbbccccd
+ 0: aaabbbbcccc
+ 1: aaabbbbc
+
+/(a+|b+|c+)*c/
+ aaabbbbccccd
+ 0: aaabbbbcccc
+ 1: aaabbbbccc
+ 2: aaabbbbcc
+ 3: aaabbbbc
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: abc(ade)ufh()()
+ 2: abc(ade)ufh()
+ 3: abc(ade)ufh
+ 4: abc(ade)
+ 5: abc
+
+/\(((?>[^()]+)|\([^()]+\))+\)/
+ (abc)
+ 0: (abc)
+ (abc(def)xyz)
+ 0: (abc(def)xyz)
+\= Expect no match
+ ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/a(?-i)b/i
+ ab
+ 0: ab
+ Ab
+ 0: Ab
+\= Expect no match
+ aB
+No match
+ AB
+No match
+
+/(a (?x)b c)d e/
+ a bcd e
+ 0: a bcd e
+\= Expect no match
+ a b cd e
+No match
+ abcd e
+No match
+ a bcde
+No match
+
+/(a b(?x)c d (?-x)e f)/
+ a bcde f
+ 0: a bcde f
+\= Expect no match
+ abcdef
+No match
+
+/(a(?i)b)c/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+\= Expect no match
+ abC
+No match
+ aBC
+No match
+ Abc
+No match
+ ABc
+No match
+ ABC
+No match
+ AbC
+No match
+
+/a(?i:b)c/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+\= Expect no match
+ ABC
+No match
+ abC
+No match
+ aBC
+No match
+
+/a(?i:b)*c/
+ aBc
+ 0: aBc
+ aBBc
+ 0: aBBc
+\= Expect no match
+ aBC
+No match
+ aBBC
+No match
+
+/a(?=b(?i)c)\w\wd/
+ abcd
+ 0: abcd
+ abCd
+ 0: abCd
+\= Expect no match
+ aBCd
+No match
+ abcD
+No match
+
+/(?s-i:more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+\= Expect no match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?:(?s-i)more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+\= Expect no match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?>a(?i)b+)+c/
+ abc
+ 0: abc
+ aBbc
+ 0: aBbc
+ aBBc
+ 0: aBBc
+\= Expect no match
+ Abc
+No match
+ abAb
+No match
+ abbC
+No match
+
+/(?=a(?i)b)\w\wc/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+\= Expect no match
+ Ab
+No match
+ abC
+No match
+ aBC
+No match
+
+/(?<=a(?i)b)(\w\w)c/
+ abxxc
+ 0: xxc
+ aBxxc
+ 0: xxc
+\= Expect no match
+ Abxxc
+No match
+ ABxxc
+No match
+ abxxC
+No match
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+\= Expect no match
+ 123
+No match
+ xyz
+No match
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+\= Expect no match
+ 123
+No match
+ xyz
+No match
+
+/(?(?<=foo)bar|cat)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+\= Expect no match
+ foocat
+No match
+
+/(?(?<!foo)cat|bar)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+\= Expect no match
+ foocat
+No match
+
+/(?>a*)*/
+ a
+ 0: a
+ 1:
+ aa
+ 0: aa
+ 1:
+ aaaa
+ 0: aaaa
+ 1:
+
+/(abc|)+/
+ abc
+ 0: abc
+ 1:
+ abcabc
+ 0: abcabc
+ 1: abc
+ 2:
+ abcabcabc
+ 0: abcabcabc
+ 1: abcabc
+ 2: abc
+ 3:
+ xyz
+ 0:
+
+/([a]*)*/
+ a
+ 0: a
+ 1:
+ aaaaa
+ 0: aaaaa
+ 1: aaaa
+ 2: aaa
+ 3: aa
+ 4: a
+ 5:
+
+/([ab]*)*/
+ a
+ 0: a
+ 1:
+ b
+ 0: b
+ 1:
+ ababab
+ 0: ababab
+ 1: ababa
+ 2: abab
+ 3: aba
+ 4: ab
+ 5: a
+ 6:
+ aaaabcde
+ 0: aaaab
+ 1: aaaa
+ 2: aaa
+ 3: aa
+ 4: a
+ 5:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+
+/([^a]*)*/
+ b
+ 0: b
+ 1:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+ aaa
+ 0:
+
+/([^ab]*)*/
+ cccc
+ 0: cccc
+ 1: ccc
+ 2: cc
+ 3: c
+ 4:
+ abab
+ 0:
+
+/([a]*?)*/
+ a
+ 0: a
+ 1:
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/([ab]*?)*/
+ a
+ 0: a
+ 1:
+ b
+ 0: b
+ 1:
+ abab
+ 0: abab
+ 1: aba
+ 2: ab
+ 3: a
+ 4:
+ baba
+ 0: baba
+ 1: bab
+ 2: ba
+ 3: b
+ 4:
+
+/([^a]*?)*/
+ b
+ 0: b
+ 1:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+ aaa
+ 0:
+
+/([^ab]*?)*/
+ c
+ 0: c
+ 1:
+ cccc
+ 0: cccc
+ 1: ccc
+ 2: cc
+ 3: c
+ 4:
+ baba
+ 0:
+
+/(?>a*)*/
+ a
+ 0: a
+ 1:
+ aaabcde
+ 0: aaa
+ 1:
+
+/((?>a*))*/
+ aaaaa
+ 0: aaaaa
+ 1:
+ aabbaa
+ 0: aa
+ 1:
+
+/((?>a*?))*/
+ aaaaa
+ 0: aaaaa
+ 1:
+ aabbaa
+ 0: aa
+ 1:
+
+/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
+ 12-sep-98
+ 0: 12-sep-98
+ 12-09-98
+ 0: 12-09-98
+\= Expect no match
+ sep-12-98
+No match
+
+/(?i:saturday|sunday)/
+ saturday
+ 0: saturday
+ sunday
+ 0: sunday
+ Saturday
+ 0: Saturday
+ Sunday
+ 0: Sunday
+ SATURDAY
+ 0: SATURDAY
+ SUNDAY
+ 0: SUNDAY
+ SunDay
+ 0: SunDay
+
+/(a(?i)bc|BB)x/
+ abcx
+ 0: abcx
+ aBCx
+ 0: aBCx
+ bbx
+ 0: bbx
+ BBx
+ 0: BBx
+\= Expect no match
+ abcX
+No match
+ aBCX
+No match
+ bbX
+No match
+ BBX
+No match
+
+/^([ab](?i)[cd]|[ef])/
+ ac
+ 0: ac
+ aC
+ 0: aC
+ bD
+ 0: bD
+ elephant
+ 0: e
+ Europe
+ 0: E
+ frog
+ 0: f
+ France
+ 0: F
+\= Expect no match
+ Africa
+No match
+
+/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
+ ab
+ 0: ab
+ aBd
+ 0: aBd
+ xy
+ 0: xy
+ xY
+ 0: xY
+ zebra
+ 0: z
+ Zambesi
+ 0: Z
+\= Expect no match
+ aCD
+No match
+ XY
+No match
+
+/(?<=foo\n)^bar/m
+ foo\nbar
+ 0: bar
+\= Expect no match
+ bar
+No match
+ baz\nbar
+No match
+
+/(?<=(?<!foo)bar)baz/
+ barbaz
+ 0: baz
+ barbarbaz
+ 0: baz
+ koobarbaz
+ 0: baz
+\= Expect no match
+ baz
+No match
+ foobarbaz
+No match
+
+# The following tests are taken from the Perl 5.005 test suite; some of them
+# are compatible with 5.004, but I'd rather not have to sort them out.
+
+/abc/
+ abc
+ 0: abc
+ xabcy
+ 0: abc
+ ababc
+ 0: abc
+\= Expect no match
+ xbc
+No match
+ axc
+No match
+ abx
+No match
+
+/ab*c/
+ abc
+ 0: abc
+
+/ab*bc/
+ abc
+ 0: abc
+ abbc
+ 0: abbc
+ abbbbc
+ 0: abbbbc
+
+/.{1}/
+ abbbbc
+ 0: a
+
+/.{3,4}/
+ abbbbc
+ 0: abbb
+
+/ab{0,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab+bc/
+ abbc
+ 0: abbc
+\= Expect no match
+ abc
+No match
+ abq
+No match
+
+/ab+bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{3,4}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{4,5}bc/
+\= Expect no match
+ abq
+No match
+ abbbbc
+No match
+
+/ab?bc/
+ abbc
+ 0: abbc
+ abc
+ 0: abc
+
+/ab{0,1}bc/
+ abc
+ 0: abc
+
+/ab?bc/
+
+/ab?c/
+ abc
+ 0: abc
+
+/ab{0,1}c/
+ abc
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+\= Expect no match
+ abbbbc
+No match
+ abcc
+No match
+
+/^abc/
+ abcc
+ 0: abc
+
+/^abc$/
+
+/abc$/
+ aabc
+ 0: abc
+ aabc
+ 0: abc
+\= Expect no match
+ aabcd
+No match
+
+/^/
+ abc
+ 0:
+
+/$/
+ abc
+ 0:
+
+/a.c/
+ abc
+ 0: abc
+ axc
+ 0: axc
+
+/a.*c/
+ axyzc
+ 0: axyzc
+
+/a[bc]d/
+ abd
+ 0: abd
+\= Expect no match
+ axyzd
+No match
+ abc
+No match
+
+/a[b-d]e/
+ ace
+ 0: ace
+
+/a[b-d]/
+ aac
+ 0: ac
+
+/a[-b]/
+ a-
+ 0: a-
+
+/a[b-]/
+ a-
+ 0: a-
+
+/a]/
+ a]
+ 0: a]
+
+/a[]]b/
+ a]b
+ 0: a]b
+
+/a[^bc]d/
+ aed
+ 0: aed
+\= Expect no match
+ abd
+No match
+ abd
+No match
+
+/a[^-b]c/
+ adc
+ 0: adc
+
+/a[^]b]c/
+ adc
+ 0: adc
+ a-c
+ 0: a-c
+\= Expect no match
+ a]c
+No match
+
+/\ba\b/
+ a-
+ 0: a
+ -a
+ 0: a
+ -a-
+ 0: a
+
+/\by\b/
+\= Expect no match
+ xy
+No match
+ yz
+No match
+ xyz
+No match
+
+/\Ba\B/
+\= Expect no match
+ a-
+No match
+ -a
+No match
+ -a-
+No match
+
+/\By\b/
+ xy
+ 0: y
+
+/\by\B/
+ yz
+ 0: y
+
+/\By\B/
+ xyz
+ 0: y
+
+/\w/
+ a
+ 0: a
+
+/\W/
+ -
+ 0: -
+\= Expect no match
+ a
+No match
+
+/a\sb/
+ a b
+ 0: a b
+
+/a\Sb/
+ a-b
+ 0: a-b
+\= Expect no match
+ a b
+No match
+
+/\d/
+ 1
+ 0: 1
+
+/\D/
+ -
+ 0: -
+\= Expect no match
+ 1
+No match
+
+/[\w]/
+ a
+ 0: a
+
+/[\W]/
+ -
+ 0: -
+\= Expect no match
+ a
+No match
+
+/a[\s]b/
+ a b
+ 0: a b
+
+/a[\S]b/
+ a-b
+ 0: a-b
+\= Expect no match
+ a b
+No match
+
+/[\d]/
+ 1
+ 0: 1
+
+/[\D]/
+ -
+ 0: -
+\= Expect no match
+ 1
+No match
+
+/ab|cd/
+ abc
+ 0: ab
+ abcd
+ 0: ab
+
+/()ef/
+ def
+ 0: ef
+
+/$b/
+
+/a\(b/
+ a(b
+ 0: a(b
+
+/a\(*b/
+ ab
+ 0: ab
+ a((b
+ 0: a((b
+
+/a\\b/
+ a\\b
+ 0: a\b
+\= Expect no match
+ a\b
+No match
+
+/((a))/
+ abc
+ 0: a
+
+/(a)b(c)/
+ abc
+ 0: abc
+
+/a+b+c/
+ aabbabc
+ 0: abc
+
+/a{1,}b{1,}c/
+ aabbabc
+ 0: abc
+
+/a.+?c/
+ abcabc
+ 0: abcabc
+ 1: abc
+
+/(a+|b)*/
+ ab
+ 0: ab
+ 1: a
+ 2:
+
+/(a+|b){0,}/
+ ab
+ 0: ab
+ 1: a
+ 2:
+
+/(a+|b)+/
+ ab
+ 0: ab
+ 1: a
+
+/(a+|b){1,}/
+ ab
+ 0: ab
+ 1: a
+
+/(a+|b)?/
+ ab
+ 0: a
+ 1:
+
+/(a+|b){0,1}/
+ ab
+ 0: a
+ 1:
+
+/[^ab]*/
+ cde
+ 0: cde
+
+/abc/
+\= Expect no match
+ b
+No match
+
+/a*/
+
+/([abc])*d/
+ abbbcd
+ 0: abbbcd
+
+/([abc])*bcd/
+ abcd
+ 0: abcd
+
+/a|b|c|d|e/
+ e
+ 0: e
+
+/(a|b|c|d|e)f/
+ ef
+ 0: ef
+
+/abcd*efg/
+ abcdefg
+ 0: abcdefg
+
+/ab*/
+ xabyabbbz
+ 0: ab
+ xayabbbz
+ 0: a
+
+/(ab|cd)e/
+ abcde
+ 0: cde
+
+/[abhgefdc]ij/
+ hij
+ 0: hij
+
+/^(ab|cd)e/
+
+/(abc|)ef/
+ abcdef
+ 0: ef
+
+/(a|b)c*d/
+ abcd
+ 0: bcd
+
+/(ab|ab*)bc/
+ abc
+ 0: abc
+
+/a([bc]*)c*/
+ abc
+ 0: abc
+ 1: a
+
+/a([bc]*)(c*d)/
+ abcd
+ 0: abcd
+
+/a([bc]+)(c*d)/
+ abcd
+ 0: abcd
+
+/a([bc]*)(c+d)/
+ abcd
+ 0: abcd
+
+/a[bcd]*dcdcde/
+ adcdcde
+ 0: adcdcde
+
+/a[bcd]+dcdcde/
+\= Expect no match
+ abcde
+No match
+ adcdcde
+No match
+
+/(ab|a)b*c/
+ abc
+ 0: abc
+
+/((a)(b)c)(d)/
+ abcd
+ 0: abcd
+
+/[a-zA-Z_][a-zA-Z0-9_]*/
+ alpha
+ 0: alpha
+
+/^a(bc+|b[eh])g|.h$/
+ abh
+ 0: bh
+
+/(bc+d$|ef*g.|h?i(j|k))/
+ effgz
+ 0: effgz
+ ij
+ 0: ij
+ reffgz
+ 0: effgz
+\= Expect no match
+ effg
+No match
+ bcdd
+No match
+
+/((((((((((a))))))))))/
+ a
+ 0: a
+
+/(((((((((a)))))))))/
+ a
+ 0: a
+
+/multiple words of text/
+\= Expect no match
+ aa
+No match
+ uh-uh
+No match
+
+/multiple words/
+ multiple words, yeah
+ 0: multiple words
+
+/(.*)c(.*)/
+ abcde
+ 0: abcde
+
+/\((.*), (.*)\)/
+ (a, b)
+ 0: (a, b)
+
+/[k]/
+
+/abcd/
+ abcd
+ 0: abcd
+
+/a(bc)d/
+ abcd
+ 0: abcd
+
+/a[-]?c/
+ ac
+ 0: ac
+
+/abc/i
+ ABC
+ 0: ABC
+ XABCY
+ 0: ABC
+ ABABC
+ 0: ABC
+\= Expect no match
+ aaxabxbaxbbx
+No match
+ XBC
+No match
+ AXC
+No match
+ ABX
+No match
+
+/ab*c/i
+ ABC
+ 0: ABC
+
+/ab*bc/i
+ ABC
+ 0: ABC
+ ABBC
+ 0: ABBC
+
+/ab*?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{0,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab+?bc/i
+ ABBC
+ 0: ABBC
+
+/ab+bc/i
+\= Expect no match
+ ABC
+No match
+ ABQ
+No match
+
+/ab{1,}bc/i
+
+/ab+bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,3}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{3,4}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{4,5}?bc/i
+\= Expect no match
+ ABQ
+No match
+ ABBBBC
+No match
+
+/ab??bc/i
+ ABBC
+ 0: ABBC
+ ABC
+ 0: ABC
+
+/ab{0,1}?bc/i
+ ABC
+ 0: ABC
+
+/ab??bc/i
+
+/ab??c/i
+ ABC
+ 0: ABC
+
+/ab{0,1}?c/i
+ ABC
+ 0: ABC
+
+/^abc$/i
+ ABC
+ 0: ABC
+\= Expect no match
+ ABBBBC
+No match
+ ABCC
+No match
+
+/^abc/i
+ ABCC
+ 0: ABC
+
+/^abc$/i
+
+/abc$/i
+ AABC
+ 0: ABC
+
+/^/i
+ ABC
+ 0:
+
+/$/i
+ ABC
+ 0:
+
+/a.c/i
+ ABC
+ 0: ABC
+ AXC
+ 0: AXC
+
+/a.*?c/i
+ AXYZC
+ 0: AXYZC
+
+/a.*c/i
+ AABC
+ 0: AABC
+\= Expect no match
+ AXYZD
+No match
+
+/a[bc]d/i
+ ABD
+ 0: ABD
+
+/a[b-d]e/i
+ ACE
+ 0: ACE
+\= Expect no match
+ ABC
+No match
+ ABD
+No match
+
+/a[b-d]/i
+ AAC
+ 0: AC
+
+/a[-b]/i
+ A-
+ 0: A-
+
+/a[b-]/i
+ A-
+ 0: A-
+
+/a]/i
+ A]
+ 0: A]
+
+/a[]]b/i
+ A]B
+ 0: A]B
+
+/a[^bc]d/i
+ AED
+ 0: AED
+
+/a[^-b]c/i
+ ADC
+ 0: ADC
+\= Expect no match
+ ABD
+No match
+ A-C
+No match
+
+/a[^]b]c/i
+ ADC
+ 0: ADC
+
+/ab|cd/i
+ ABC
+ 0: AB
+ ABCD
+ 0: AB
+
+/()ef/i
+ DEF
+ 0: EF
+
+/$b/i
+\= Expect no match
+ A]C
+No match
+ B
+No match
+
+/a\(b/i
+ A(B
+ 0: A(B
+
+/a\(*b/i
+ AB
+ 0: AB
+ A((B
+ 0: A((B
+
+/a\\b/i
+\= Expect no match
+ A\=notbol
+No match
+
+/((a))/i
+ ABC
+ 0: A
+
+/(a)b(c)/i
+ ABC
+ 0: ABC
+
+/a+b+c/i
+ AABBABC
+ 0: ABC
+
+/a{1,}b{1,}c/i
+ AABBABC
+ 0: ABC
+
+/a.+?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/a.*?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/a.{0,5}?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/(a+|b)*/i
+ AB
+ 0: AB
+ 1: A
+ 2:
+
+/(a+|b){0,}/i
+ AB
+ 0: AB
+ 1: A
+ 2:
+
+/(a+|b)+/i
+ AB
+ 0: AB
+ 1: A
+
+/(a+|b){1,}/i
+ AB
+ 0: AB
+ 1: A
+
+/(a+|b)?/i
+ AB
+ 0: A
+ 1:
+
+/(a+|b){0,1}/i
+ AB
+ 0: A
+ 1:
+
+/(a+|b){0,1}?/i
+ AB
+ 0: A
+ 1:
+
+/[^ab]*/i
+ CDE
+ 0: CDE
+
+/abc/i
+
+/a*/i
+
+/([abc])*d/i
+ ABBBCD
+ 0: ABBBCD
+
+/([abc])*bcd/i
+ ABCD
+ 0: ABCD
+
+/a|b|c|d|e/i
+ E
+ 0: E
+
+/(a|b|c|d|e)f/i
+ EF
+ 0: EF
+
+/abcd*efg/i
+ ABCDEFG
+ 0: ABCDEFG
+
+/ab*/i
+ XABYABBBZ
+ 0: AB
+ XAYABBBZ
+ 0: A
+
+/(ab|cd)e/i
+ ABCDE
+ 0: CDE
+
+/[abhgefdc]ij/i
+ HIJ
+ 0: HIJ
+
+/^(ab|cd)e/i
+\= Expect no match
+ ABCDE
+No match
+
+/(abc|)ef/i
+ ABCDEF
+ 0: EF
+
+/(a|b)c*d/i
+ ABCD
+ 0: BCD
+
+/(ab|ab*)bc/i
+ ABC
+ 0: ABC
+
+/a([bc]*)c*/i
+ ABC
+ 0: ABC
+ 1: A
+
+/a([bc]*)(c*d)/i
+ ABCD
+ 0: ABCD
+
+/a([bc]+)(c*d)/i
+ ABCD
+ 0: ABCD
+
+/a([bc]*)(c+d)/i
+ ABCD
+ 0: ABCD
+
+/a[bcd]*dcdcde/i
+ ADCDCDE
+ 0: ADCDCDE
+
+/a[bcd]+dcdcde/i
+
+/(ab|a)b*c/i
+ ABC
+ 0: ABC
+
+/((a)(b)c)(d)/i
+ ABCD
+ 0: ABCD
+
+/[a-zA-Z_][a-zA-Z0-9_]*/i
+ ALPHA
+ 0: ALPHA
+
+/^a(bc+|b[eh])g|.h$/i
+ ABH
+ 0: BH
+
+/(bc+d$|ef*g.|h?i(j|k))/i
+ EFFGZ
+ 0: EFFGZ
+ IJ
+ 0: IJ
+ REFFGZ
+ 0: EFFGZ
+\= Expect no match
+ ADCDCDE
+No match
+ EFFG
+No match
+ BCDD
+No match
+
+/((((((((((a))))))))))/i
+ A
+ 0: A
+
+/(((((((((a)))))))))/i
+ A
+ 0: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
+ A
+ 0: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
+ C
+ 0: C
+
+/multiple words of text/i
+\= Expect no match
+ AA
+No match
+ UH-UH
+No match
+
+/multiple words/i
+ MULTIPLE WORDS, YEAH
+ 0: MULTIPLE WORDS
+
+/(.*)c(.*)/i
+ ABCDE
+ 0: ABCDE
+
+/\((.*), (.*)\)/i
+ (A, B)
+ 0: (A, B)
+
+/[k]/i
+
+/abcd/i
+ ABCD
+ 0: ABCD
+
+/a(bc)d/i
+ ABCD
+ 0: ABCD
+
+/a[-]?c/i
+ AC
+ 0: AC
+
+/a(?!b)./
+ abad
+ 0: ad
+
+/a(?=d)./
+ abad
+ 0: ad
+
+/a(?=c|d)./
+ abad
+ 0: ad
+
+/a(?:b|c|d)(.)/
+ ace
+ 0: ace
+
+/a(?:b|c|d)*(.)/
+ ace
+ 0: ace
+ 1: ac
+
+/a(?:b|c|d)+?(.)/
+ ace
+ 0: ace
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+ 2: acdbcd
+ 3: acdbc
+ 4: acdb
+ 5: acd
+
+/a(?:b|c|d)+(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+ 2: acdbcd
+ 3: acdbc
+ 4: acdb
+ 5: acd
+
+/a(?:b|c|d){2}(.)/
+ acdbcdbe
+ 0: acdb
+
+/a(?:b|c|d){4,5}(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: acdbcd
+
+/a(?:b|c|d){4,5}?(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: acdbcd
+
+/((foo)|(bar))*/
+ foobar
+ 0: foobar
+ 1: foo
+ 2:
+
+/a(?:b|c|d){6,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+
+/a(?:b|c|d){6,7}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+
+/a(?:b|c|d){5,6}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,6}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,7}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|(c|e){1,2}?|d)+?(.)/
+ ace
+ 0: ace
+
+/^(.+)?B/
+ AB
+ 0: AB
+
+/^([^a-z])|(\^)$/
+ .
+ 0: .
+
+/^[<>]&/
+ <&OUT
+ 0: <&
+
+/(?:(f)(o)(o)|(b)(a)(r))*/
+ foobar
+ 0: foobar
+ 1: foo
+ 2:
+
+/(?<=a)b/
+ ab
+ 0: b
+\= Expect no match
+ cb
+No match
+ b
+No match
+
+/(?<!c)b/
+ ab
+ 0: b
+ b
+ 0: b
+ b
+ 0: b
+
+/(?:..)*a/
+ aba
+ 0: aba
+ 1: a
+
+/(?:..)*?a/
+ aba
+ 0: aba
+ 1: a
+
+/^(){3,5}/
+ abc
+ 0:
+
+/^(a+)*ax/
+ aax
+ 0: aax
+
+/^((a|b)+)*ax/
+ aax
+ 0: aax
+
+/^((a|bc)+)*ax/
+ aax
+ 0: aax
+
+/(a|x)*ab/
+ cab
+ 0: ab
+
+/(a)*ab/
+ cab
+ 0: ab
+
+/(?:(?i)a)b/
+ ab
+ 0: ab
+
+/((?i)a)b/
+ ab
+ 0: ab
+
+/(?:(?i)a)b/
+ Ab
+ 0: Ab
+
+/((?i)a)b/
+ Ab
+ 0: Ab
+
+/(?:(?i)a)b/
+\= Expect no match
+ cb
+No match
+ aB
+No match
+
+/((?i)a)b/
+
+/(?i:a)b/
+ ab
+ 0: ab
+
+/((?i:a))b/
+ ab
+ 0: ab
+
+/(?i:a)b/
+ Ab
+ 0: Ab
+
+/((?i:a))b/
+ Ab
+ 0: Ab
+
+/(?i:a)b/
+\= Expect no match
+ aB
+No match
+ aB
+No match
+
+/((?i:a))b/
+
+/(?:(?-i)a)b/i
+ ab
+ 0: ab
+
+/((?-i)a)b/i
+ ab
+ 0: ab
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+\= Expect no match
+ Ab
+No match
+
+/((?-i)a)b/i
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+
+/(?:(?-i)a)b/i
+\= Expect no match
+ Ab
+No match
+ AB
+No match
+
+/((?-i)a)b/i
+
+/(?-i:a)b/i
+ ab
+ 0: ab
+
+/((?-i:a))b/i
+ ab
+ 0: ab
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+
+/(?-i:a)b/i
+\= Expect no match
+ AB
+No match
+ Ab
+No match
+
+/((?-i:a))b/i
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+
+/(?-i:a)b/i
+\= Expect no match
+ Ab
+No match
+ AB
+No match
+
+/((?-i:a))b/i
+
+/((?-i:a.))b/i
+\= Expect no match
+ AB
+No match
+ a\nB
+No match
+
+/((?s-i:a.))b/i
+ a\nB
+ 0: a\x0aB
+
+/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
+ cabbbb
+ 0: cabbbb
+
+/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
+ caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+ 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+
+/foo\w*\d{4}baz/
+ foobar1234baz
+ 0: foobar1234baz
+
+/x(~~)*(?:(?:F)?)?/
+ x~~
+ 0: x~~
+ 1: x
+
+/^a(?#xxx){3}c/
+ aaac
+ 0: aaac
+
+/^a (?#xxx) (?#yyy) {3}c/x
+ aaac
+ 0: aaac
+
+/(?<![cd])b/
+\= Expect no match
+ B\nB
+No match
+ dbcb
+No match
+
+/(?<![cd])[ab]/
+ dbaacb
+ 0: a
+
+/(?<!(c|d))b/
+
+/(?<!(c|d))[ab]/
+ dbaacb
+ 0: a
+
+/(?<!cd)[ab]/
+ cdaccb
+ 0: b
+
+/^(?:a?b?)*$/
+\= Expect no match
+ dbcb
+No match
+ a--
+No match
+
+/((?s)^a(.))((?m)^b$)/
+ a\nb\nc\n
+ 0: a\x0ab
+
+/((?m)^b$)/
+ a\nb\nc\n
+ 0: b
+
+/(?m)^b/
+ a\nb\n
+ 0: b
+
+/(?m)^(b)/
+ a\nb\n
+ 0: b
+
+/((?m)^b)/
+ a\nb\n
+ 0: b
+
+/\n((?m)^b)/
+ a\nb\n
+ 0: \x0ab
+
+/((?s).)c(?!.)/
+ a\nb\nc\n
+ 0: \x0ac
+ a\nb\nc\n
+ 0: \x0ac
+
+/((?s)b.)c(?!.)/
+ a\nb\nc\n
+ 0: b\x0ac
+ a\nb\nc\n
+ 0: b\x0ac
+
+/^b/
+
+/()^b/
+\= Expect no match
+ a\nb\nc\n
+No match
+ a\nb\nc\n
+No match
+
+/((?m)^b)/
+ a\nb\nc\n
+ 0: b
+
+/(?(?!a)a|b)/
+
+/(?(?!a)b|a)/
+ a
+ 0: a
+
+/(?(?=a)b|a)/
+\= Expect no match
+ a
+No match
+ a
+No match
+
+/(?(?=a)a|b)/
+ a
+ 0: a
+
+/(\w+:)+/
+ one:
+ 0: one:
+
+/$(?<=^(a))/
+ a
+ 0:
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+
+/(a*)b+/
+ caab
+ 0: aab
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+\= Expect no match
+ abcd:
+No match
+ abcd:
+No match
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+
+/(>a+)ab/
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/([[:]+)/
+ a:[b]:
+ 0: :[
+
+/([[=]+)/
+ a=[b]=
+ 0: =[
+
+/([[.]+)/
+ a.[b].
+ 0: .[
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: abc(ade)ufh()()
+ 2: abc(ade)ufh()
+ 3: abc(ade)ufh
+ 4: abc(ade)
+ 5: abc
+
+/a\Z/
+\= Expect no match
+ aaab
+No match
+ a\nb\n
+No match
+
+/b\Z/
+ a\nb\n
+ 0: b
+
+/b\z/
+
+/b\Z/
+ a\nb
+ 0: b
+
+/b\z/
+ a\nb
+ 0: b
+
+/(?>.*)(?<=(abcd|wxyz))/
+ alphabetabcd
+ 0: alphabetabcd
+ endingwxyz
+ 0: endingwxyz
+\= Expect no match
+ a rather long string that doesn't end with one of them
+No match
+
+/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+\= Expect no match
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?>[a-zA-Z0-9]+ ){0,30}otherword/
+\= Expect no match
+ word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
+No match
+
+/(?<=\d{3}(?!999))foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+\= Expect no match
+ 123abcfoo
+No match
+
+/(?<=(?!...999)\d{3})foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+\= Expect no match
+ 123abcfoo
+No match
+
+/(?<=\d{3}(?!999)...)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+\= Expect no match
+ 123999foo
+No match
+
+/(?<=\d{3}...)(?<!999)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+\= Expect no match
+ 123999foo
+No match
+
+/((Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/(Z()|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/(Z(())|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/((?>Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/((?>)+|A)*/
+ ZABCDEFG
+ 0:
+
+/a*/g
+ abbab
+ 0: a
+ 0:
+ 0:
+ 0: a
+ 0:
+ 0:
+
+/[[:space:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d\x0b
+
+/[[:blank:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09
+
+/[\s]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d\x0b
+
+/\s+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d\x0b
+
+/a\vb/x
+ ab
+ 0: ab
+
+/(?!\A)x/m
+ a\nxb\n
+ 0: x
+
+/(?!^)x/m
+\= Expect no match
+ a\nxb\n
+No match
+
+/abc\Qabc\Eabc/
+ abcabcabc
+ 0: abcabcabc
+
+/abc\Q(*+|\Eabc/
+ abc(*+|abc
+ 0: abc(*+|abc
+
+/ abc\Q abc\Eabc/x
+ abc abcabc
+ 0: abc abcabc
+\= Expect no match
+ abcabcabc
+No match
+
+/abc#comment
+ \Q#not comment
+ literal\E/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment
+ /x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/\Qabc\$xyz\E/
+ abc\\\$xyz
+ 0: abc\$xyz
+
+/\Qabc\E\$\Qxyz\E/
+ abc\$xyz
+ 0: abc$xyz
+
+/\Gabc/
+ abc
+ 0: abc
+\= Expect no match
+ xyzabc
+No match
+
+/\Gabc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+
+/abc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+ 0: abc3
+
+/a(?x: b c )d/
+ XabcdY
+ 0: abcd
+\= Expect no match
+ Xa b c d Y
+No match
+
+/((?x)x y z | a b c)/
+ XabcY
+ 0: abc
+ AxyzB
+ 0: xyz
+
+/(?i)AB(?-i)C/
+ XabCY
+ 0: abC
+\= Expect no match
+ XabcY
+No match
+
+/((?i)AB(?-i)C|D)E/
+ abCE
+ 0: abCE
+ DE
+ 0: DE
+\= Expect no match
+ abcE
+No match
+ abCe
+No match
+ dE
+No match
+ De
+No match
+
+/[z\Qa-d]\E]/
+ z
+ 0: z
+ a
+ 0: a
+ -
+ 0: -
+ d
+ 0: d
+ ]
+ 0: ]
+\= Expect no match
+ b
+No match
+
+/(a+)*b/
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(?i)reg(?:ul(?:[aä]|ae)r|ex)/
+ REGular
+ 0: REGular
+ regulaer
+ 0: regulaer
+ Regex
+ 0: Regex
+ regulär
+ 0: regul\xe4r
+
+/Åæåä[à-ÿÀ-ß]+/
+ Åæåäà
+ 0: \xc5\xe6\xe5\xe4\xe0
+ Åæåäÿ
+ 0: \xc5\xe6\xe5\xe4\xff
+ ÅæåäÀ
+ 0: \xc5\xe6\xe5\xe4\xc0
+ Åæåäß
+ 0: \xc5\xe6\xe5\xe4\xdf
+
+/(?<=Z)X./
+ \x84XAZXB
+ 0: XB
+
+/^(?(2)a|(1)(2))+$/
+ 123a
+Failed: error -40: backreference condition or recursion test is not supported for DFA matching
+
+/(?<=a|bbbb)c/
+ ac
+ 0: c
+ bbbbc
+ 0: c
+
+/line\nbreak/
+ this is a line\nbreak
+ 0: line\x0abreak
+ line one\nthis is a line\nbreak in the second line
+ 0: line\x0abreak
+
+/line\nbreak/firstline
+ this is a line\nbreak
+ 0: line\x0abreak
+\= Expect no match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/line\nbreak/m,firstline
+ this is a line\nbreak
+ 0: line\x0abreak
+\= Expect no match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/1234/
+ 123\=ps
+Partial match: 123
+\= Expect no match
+ a4\=ps,dfa_restart
+No match
+
+/1234/
+ 123\=ps
+Partial match: 123
+ 4\=ps,dfa_restart
+ 0: 4
+
+/^/gm
+ a\nb\nc\n
+ 0:
+ 0:
+ 0:
+ \
+ 0:
+
+/(?<=C\n)^/gm
+ A\nC\nC\n
+ 0:
+
+/(?s)A?B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?s)A*B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?m)A?B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?m)A*B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/Content-Type\x3A[^\r\n]{6,}/
+ Content-Type:xxxxxyyy
+ 0: Content-Type:xxxxxyyy
+
+/Content-Type\x3A[^\r\n]{6,}z/
+ Content-Type:xxxxxyyyz
+ 0: Content-Type:xxxxxyyyz
+
+/Content-Type\x3A[^a]{6,}/
+ Content-Type:xxxyyy
+ 0: Content-Type:xxxyyy
+
+/Content-Type\x3A[^a]{6,}z/
+ Content-Type:xxxyyyz
+ 0: Content-Type:xxxyyyz
+
+/^abc/Im,newline=lf
+Capturing subpattern count = 0
+Options: multiline
+Forced newline is LF
+First code unit at start or follows newline
+Last code unit = 'c'
+Subject length lower bound = 3
+ xyz\nabc
+ 0: abc
+ xyz\r\nabc
+ 0: abc
+\= Expect no match
+ xyz\rabc
+No match
+ xyzabc\r
+No match
+ xyzabc\rpqr
+No match
+ xyzabc\r\n
+No match
+ xyzabc\r\npqr
+No match
+
+/^abc/Im,newline=crlf
+Capturing subpattern count = 0
+Options: multiline
+Forced newline is CRLF
+First code unit at start or follows newline
+Last code unit = 'c'
+Subject length lower bound = 3
+ xyz\r\nabclf>
+ 0: abc
+\= Expect no match
+ xyz\nabclf
+No match
+ xyz\rabclf
+No match
+
+/^abc/Im,newline=cr
+Capturing subpattern count = 0
+Options: multiline
+Forced newline is CR
+First code unit at start or follows newline
+Last code unit = 'c'
+Subject length lower bound = 3
+ xyz\rabc
+ 0: abc
+\= Expect no match
+ xyz\nabc
+No match
+ xyz\r\nabc
+No match
+
+/.*/I,newline=lf
+Capturing subpattern count = 0
+May match empty string
+Forced newline is LF
+First code unit at start or follows newline
+Subject length lower bound = 0
+ abc\ndef
+ 0: abc
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc\x0d
+
+/.*/I,newline=cr
+Capturing subpattern count = 0
+May match empty string
+Forced newline is CR
+First code unit at start or follows newline
+Subject length lower bound = 0
+ abc\ndef
+ 0: abc\x0adef
+ abc\rdef
+ 0: abc
+ abc\r\ndef
+ 0: abc
+
+/.*/I,newline=crlf
+Capturing subpattern count = 0
+May match empty string
+Forced newline is CRLF
+First code unit at start or follows newline
+Subject length lower bound = 0
+ abc\ndef
+ 0: abc\x0adef
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc
+
+/\w+(.)(.)?def/Is
+Capturing subpattern count = 2
+Options: dotall
+Starting code units: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P
+ Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z
+Last code unit = 'f'
+Subject length lower bound = 5
+ abc\ndef
+ 0: abc\x0adef
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc\x0d\x0adef
+
+/\w+(.)(.)?def/s
+ abc\ndef
+ 0: abc\x0adef
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc\x0d\x0adef
+
+/^\w+=.*(\\\n.*)*/
+ abc=xyz\\\npqr
+ 0: abc=xyz\\x0apqr
+ 1: abc=xyz\\x0apq
+ 2: abc=xyz\\x0ap
+ 3: abc=xyz\\x0a
+ 4: abc=xyz\
+ 5: abc=xyz
+ 6: abc=xy
+ 7: abc=x
+ 8: abc=
+
+/^(a()*)*/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/^(?:a(?:(?:))*)*/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/^(a()+)+/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/^(?:a(?:(?:))+)+/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/(a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(?>a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(?:a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/^a.b/newline=lf
+ a\rb
+ 0: a\x0db
+\= Expect no match
+ a\nb
+No match
+
+/^a.b/newline=cr
+ a\nb
+ 0: a\x0ab
+\= Expect no match
+ a\rb
+No match
+
+/^a.b/newline=anycrlf
+ a\x85b
+ 0: a\x85b
+\= Expect no match
+ a\rb
+No match
+
+/^a.b/newline=any
+\= Expect no match
+ a\nb
+No match
+ a\rb
+No match
+ a\x85b
+No match
+
+/^abc./gmx,newline=any
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 JUNK
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+
+/abc.$/gmx,newline=any
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc9
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc9
+
+/^a\Rb/bsr=unicode
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+\= Expect no match
+ a\n\rb
+No match
+
+/^a\R*b/bsr=unicode
+ ab
+ 0: ab
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+
+/^a\R+b/bsr=unicode
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+\= Expect no match
+ ab
+No match
+
+/^a\R{1,3}b/bsr=unicode
+ a\nb
+ 0: a\x0ab
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85b
+ 0: a\x0a\x0d\x85b
+ a\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0ab
+ a\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0ab
+ a\n\r\n\rb
+ 0: a\x0a\x0d\x0a\x0db
+ a\n\n\r\nb
+ 0: a\x0a\x0a\x0d\x0ab
+\= Expect no match
+ a\n\n\n\rb
+No match
+ a\r
+No match
+
+/.+foo/
+ afoo
+ 0: afoo
+\= Expect no match
+ \r\nfoo
+No match
+ \nfoo
+No match
+
+/.+foo/newline=crlf
+ afoo
+ 0: afoo
+ \nfoo
+ 0: \x0afoo
+\= Expect no match
+ \r\nfoo
+No match
+
+/.+foo/newline=any
+ afoo
+ 0: afoo
+\= Expect no match
+ \nfoo
+No match
+ \r\nfoo
+No match
+
+/.+foo/s
+ afoo
+ 0: afoo
+ \r\nfoo
+ 0: \x0d\x0afoo
+ \nfoo
+ 0: \x0afoo
+
+/^$/gm,newline=any
+ abc\r\rxyz
+ 0:
+ abc\n\rxyz
+ 0:
+\= Expect no match
+ abc\r\nxyz
+No match
+
+/^X/m
+ XABC
+ 0: X
+\= Expect no match
+ XABC\=notbol
+No match
+
+/(?m)^$/g,newline=any,aftertext
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a
+
+/(?m)^$|^\r\n/g,newline=any,aftertext
+ abc\r\n\r\n
+ 0: \x0d\x0a
+ 0+
+ 1:
+
+/(?m)$/g,newline=any,aftertext
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a\x0d\x0a
+ 0:
+ 0+ \x0d\x0a
+ 0:
+ 0+
+
+/(?|(abc)|(xyz))/
+ >abc<
+ 0: abc
+ >xyz<
+ 0: xyz
+
+/(x)(?|(abc)|(xyz))(x)/
+ xabcx
+ 0: xabcx
+ xxyzx
+ 0: xxyzx
+
+/(x)(?|(abc)(pqr)|(xyz))(x)/
+ xabcpqrx
+ 0: xabcpqrx
+ xxyzx
+ 0: xxyzx
+
+/(?|(abc)|(xyz))(?1)/
+ abcabc
+ 0: abcabc
+ xyzabc
+ 0: xyzabc
+\= Expect no match
+ xyzxyz
+No match
+
+/\H\h\V\v/
+ X X\x0a
+ 0: X X\x0a
+ X\x09X\x0b
+ 0: X\x09X\x0b
+\= Expect no match
+ \xa0 X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/
+ \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0X\x0a\x0b\x0c\x0d
+ \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0\x0a\x0b\x0c\x0d
+ \x09\x20\xa0\x0a\x0b\x0c
+ 0: \x09 \xa0\x0a\x0b\x0c
+\= Expect no match
+ \x09\x20\xa0\x0a\x0b
+No match
+
+/\H{3,4}/
+ XY ABCDE
+ 0: ABCD
+ XY PQR ST
+ 0: PQR
+
+/.\h{3,4}./
+ XY AB PQRS
+ 0: B P
+ 1: B
+
+/\h*X\h?\H+Y\H?Z/
+ >XNNNYZ
+ 0: XNNNYZ
+ > X NYQZ
+ 0: X NYQZ
+\= Expect no match
+ >XYZ
+No match
+ > X NY Z
+No match
+
+/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
+ >XY\x0aZ\x0aA\x0bNN\x0c
+ 0: XY\x0aZ\x0aA\x0bNN\x0c
+ >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+ 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+
+/.+A/newline=crlf
+\= Expect no match
+ \r\nA
+No match
+
+/\nA/newline=crlf
+ \r\nA
+ 0: \x0aA
+
+/[\r\n]A/newline=crlf
+ \r\nA
+ 0: \x0aA
+
+/(\r|\n)A/newline=crlf
+ \r\nA
+ 0: \x0aA
+
+/a\Rb/I,bsr=anycrlf
+Capturing subpattern count = 0
+\R matches CR, LF, or CRLF
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 3
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+\= Expect no match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\Rb/I,bsr=unicode
+Capturing subpattern count = 0
+\R matches any Unicode newline
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 3
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+
+/a\R?b/I,bsr=anycrlf
+Capturing subpattern count = 0
+\R matches CR, LF, or CRLF
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 2
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+\= Expect no match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\R?b/I,bsr=unicode
+Capturing subpattern count = 0
+\R matches any Unicode newline
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 2
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+
+/a\R{2,4}b/I,bsr=anycrlf
+Capturing subpattern count = 0
+\R matches CR, LF, or CRLF
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 4
+ a\r\n\nb
+ 0: a\x0d\x0a\x0ab
+ a\n\r\rb
+ 0: a\x0a\x0d\x0db
+ a\r\n\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab
+\= Expect no match
+ a\x0b\x0bb
+No match
+ a\x85\x85b
+No match
+
+/a\R{2,4}b/I,bsr=unicode
+Capturing subpattern count = 0
+\R matches any Unicode newline
+First code unit = 'a'
+Last code unit = 'b'
+Subject length lower bound = 4
+ a\r\rb
+ 0: a\x0d\x0db
+ a\n\n\nb
+ 0: a\x0a\x0a\x0ab
+ a\r\n\n\r\rb
+ 0: a\x0d\x0a\x0a\x0d\x0db
+ a\x85\x85b
+ 0: a\x85\x85b
+ a\x0b\x0bb
+ 0: a\x0b\x0bb
+\= Expect no match
+ a\r\r\r\r\rb
+No match
+
+/a(?!)|\wbc/
+ abc
+ 0: abc
+
+/a[]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+No match
+
+/a[]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+No match
+
+/a[]*+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+No match
+
+/a[^]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+ aXb
+ 0: aXb
+ a\nb
+ 0: a\x0ab
+\= Expect no match
+ ab
+No match
+
+/a[^]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+ aXb
+ 0: aXb
+ a\nX\nXb
+ 0: a\x0aX\x0aXb
+\= Expect no match
+ ab
+No match
+
+/X$/dollar_endonly
+ X
+ 0: X
+\= Expect no match
+ X\n
+No match
+
+/X$/
+ X
+ 0: X
+ X\n
+ 0: X
+
+/xyz/auto_callout
+ xyz
+--->xyz
+ +0 ^ x
+ +1 ^^ y
+ +2 ^ ^ z
+ +3 ^ ^ End of pattern
+ 0: xyz
+ abcxyz
+--->abcxyz
+ +0 ^ x
+ +1 ^^ y
+ +2 ^ ^ z
+ +3 ^ ^ End of pattern
+ 0: xyz
+\= Expect no match
+ abc
+No match
+ abcxypqr
+No match
+
+/xyz/auto_callout,no_start_optimize
+ abcxyz
+--->abcxyz
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +1 ^^ y
+ +2 ^ ^ z
+ +3 ^ ^ End of pattern
+ 0: xyz
+\= Expect no match
+ abc
+--->abc
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+No match
+ abcxypqr
+--->abcxypqr
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +1 ^^ y
+ +2 ^ ^ z
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+ +0 ^ x
+No match
+
+/(*NO_START_OPT)xyz/auto_callout
+ abcxyz
+--->abcxyz
++15 ^ x
++15 ^ x
++15 ^ x
++15 ^ x
++16 ^^ y
++17 ^ ^ z
++18 ^ ^ End of pattern
+ 0: xyz
+
+/(?C)ab/
+ ab
+--->ab
+ 0 ^ a
+ 0: ab
+ ab\=callout_none
+ 0: ab
+
+/ab/auto_callout
+ ab
+--->ab
+ +0 ^ a
+ +1 ^^ b
+ +2 ^ ^ End of pattern
+ 0: ab
+ ab\=callout_none
+ 0: ab
+
+/^"((?(?=[a])[^"])|b)*"$/auto_callout
+ "ab"
+--->"ab"
+ +0 ^ ^
+ +1 ^ "
+ +2 ^^ (
++21 ^^ "
+ +3 ^^ (?
++18 ^^ b
+ +5 ^^ (?=
+ +8 ^ [a]
++11 ^^ )
++12 ^^ [^"]
++16 ^ ^ )
++17 ^ ^ |
++21 ^ ^ "
+ +3 ^ ^ (?
++18 ^ ^ b
+ +5 ^ ^ (?=
+ +8 ^ [a]
++19 ^ ^ )*
++21 ^ ^ "
+ +3 ^ ^ (?
++18 ^ ^ b
+ +5 ^ ^ (?=
+ +8 ^ [a]
++17 ^ ^ |
++22 ^ ^ $
++23 ^ ^ End of pattern
+ 0: "ab"
+ "ab"\=callout_none
+ 0: "ab"
+
+/\d+X|9+Y/
+ ++++123999\=ps
+Partial match: 123999
+ ++++123999Y\=ps
+ 0: 999Y
+
+/Z(*F)/
+\= Expect no match
+ Z\=ps
+No match
+ ZA\=ps
+No match
+
+/Z(?!)/
+\= Expect no match
+ Z\=ps
+No match
+ ZA\=ps
+No match
+
+/dog(sbody)?/
+ dogs\=ps
+ 0: dog
+ dogs\=ph
+Partial match: dogs
+
+/dog(sbody)??/
+ dogs\=ps
+ 0: dog
+ dogs\=ph
+Partial match: dogs
+
+/dog|dogsbody/
+ dogs\=ps
+ 0: dog
+ dogs\=ph
+Partial match: dogs
+
+/dogsbody|dog/
+ dogs\=ps
+ 0: dog
+ dogs\=ph
+Partial match: dogs
+
+/Z(*F)Q|ZXY/
+ Z\=ps
+Partial match: Z
+\= Expect no match
+ ZA\=ps
+No match
+ X\=ps
+No match
+
+/\bthe cat\b/
+ the cat\=ps
+ 0: the cat
+ the cat\=ph
+Partial match: the cat
+
+/dog(sbody)?/
+ dogs\=ps
+ 0: dog
+ body\=dfa_restart
+ 0: body
+
+/dog(sbody)?/
+ dogs\=ph
+Partial match: dogs
+ body\=dfa_restart
+ 0: body
+
+/abc/
+ abc\=ps
+ 0: abc
+ abc\=ph
+ 0: abc
+
+/abc\K123/
+ xyzabc123pqr
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/(?<=abc)123/
+ xyzabc123pqr
+ 0: 123
+ xyzabc12\=ps
+Partial match: abc12
+ <<<
+ xyzabc12\=ph
+Partial match: abc12
+ <<<
+
+/\babc\b/
+ +++abc+++
+ 0: abc
+ +++ab\=ps
+Partial match: +ab
+ <
+ +++ab\=ph
+Partial match: +ab
+ <
+
+/(?=C)/g,aftertext
+ ABCDECBA
+ 0:
+ 0+ CDECBA
+ 0:
+ 0+ CBA
+
+/(abc|def|xyz)/I
+Capturing subpattern count = 1
+Starting code units: a d x
+Subject length lower bound = 3
+ terhjk;abcdaadsfe
+ 0: abc
+ the quick xyz brown fox
+ 0: xyz
+\= Expect no match
+ thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
+No match
+
+/(abc|def|xyz)/I,no_start_optimize
+Capturing subpattern count = 1
+Options: no_start_optimize
+Subject length lower bound = 0
+ terhjk;abcdaadsfe
+ 0: abc
+ the quick xyz brown fox
+ 0: xyz
+\= Expect no match
+ thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
+No match
+
+/abcd*/aftertext
+ xxxxabcd\=ps
+ 0: abcd
+ 0+
+ xxxxabcd\=ph
+Partial match: abcd
+ dddxxx\=dfa_restart
+ 0: ddd
+ 0+ xxx
+ xxxxabcd\=ph
+Partial match: abcd
+ xxx\=dfa_restart
+ 0:
+ 0+ xxx
+
+/abcd*/i
+ xxxxabcd\=ps
+ 0: abcd
+ xxxxabcd\=ph
+Partial match: abcd
+ XXXXABCD\=ps
+ 0: ABCD
+ XXXXABCD\=ph
+Partial match: ABCD
+
+/abc\d*/
+ xxxxabc1\=ps
+ 0: abc1
+ xxxxabc1\=ph
+Partial match: abc1
+
+/abc[de]*/
+ xxxxabcde\=ps
+ 0: abcde
+ xxxxabcde\=ph
+Partial match: abcde
+
+/(?:(?1)|B)(A(*F)|C)/
+ ABCD
+ 0: BC
+ CCD
+ 0: CC
+\= Expect no match
+ CAD
+No match
+
+/^(?:(?1)|B)(A(*F)|C)/
+ CCD
+ 0: CC
+ BCD
+ 0: BC
+\= Expect no match
+ ABCD
+No match
+ CAD
+No match
+ BAD
+No match
+
+/^(?!a(*SKIP)b)/
+ ac
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/^(?=a(*SKIP)b|ac)/
+ ac
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/^(?=a(*THEN)b|ac)/
+ ac
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/^(?=a(*PRUNE)b)/
+ ab
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/^(?(?!a(*SKIP)b))/
+ ac
+Failed: error -42: pattern contains an item that is not supported for DFA matching
+
+/(?<=abc)def/
+ abc\=ph
+Partial match: abc
+ <<<
+
+/abc$/
+ abc
+ 0: abc
+ abc\=ps
+ 0: abc
+ abc\=ph
+Partial match: abc
+
+/abc$/m
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+ abc\=ph
+Partial match: abc
+ abc\n\=ph
+ 0: abc
+ abc\=ps
+ 0: abc
+ abc\n\=ps
+ 0: abc
+
+/abc\z/
+ abc
+ 0: abc
+ abc\=ps
+ 0: abc
+ abc\=ph
+Partial match: abc
+
+/abc\Z/
+ abc
+ 0: abc
+ abc\=ps
+ 0: abc
+ abc\=ph
+Partial match: abc
+
+/abc\b/
+ abc
+ 0: abc
+ abc\=ps
+ 0: abc
+ abc\=ph
+Partial match: abc
+
+/abc\B/
+ abc\=ps
+Partial match: abc
+ abc\=ph
+Partial match: abc
+\= Expect no match
+ abc
+No match
+
+/.+/
+ abc\=offset=0
+ 0: abc
+ abc\=offset=1
+ 0: bc
+ abc\=offset=2
+ 0: c
+\= Bad offsets
+ abc\=offset=4
+Failed: error -33: bad offset value
+ abc\=offset=-4
+** Invalid value in 'offset=-4'
+\= Expect no match
+ abc\=offset=3
+No match
+
+/^(?:a)++\w/
+ aaaab
+ 0: aaaab
+\= Expect no match
+ aaaa
+No match
+ bbb
+No match
+
+/^(?:aa|(?:a)++\w)/
+ aaaab
+ 0: aaaab
+ 1: aa
+ aaaa
+ 0: aa
+\= Expect no match
+ bbb
+No match
+
+/^(?:a)*+\w/
+ aaaab
+ 0: aaaab
+ bbb
+ 0: b
+\= Expect no match
+ aaaa
+No match
+
+/^(a)++\w/
+ aaaab
+ 0: aaaab
+\= Expect no match
+ aaaa
+No match
+ bbb
+No match
+
+/^(a|)++\w/
+ aaaab
+ 0: aaaab
+\= Expect no match
+ aaaa
+No match
+ bbb
+No match
+
+/(?=abc){3}abc/aftertext
+ abcabcabc
+ 0: abc
+ 0+ abcabc
+\= Expect no match
+ xyz
+No match
+
+/(?=abc)+abc/aftertext
+ abcabcabc
+ 0: abc
+ 0+ abcabc
+\= Expect no match
+ xyz
+No match
+
+/(?=abc)++abc/aftertext
+ abcabcabc
+ 0: abc
+ 0+ abcabc
+\= Expect no match
+ xyz
+No match
+
+/(?=abc){0}xyz/
+ xyz
+ 0: xyz
+
+/(?=abc){1}xyz/
+\= Expect no match
+ xyz
+No match
+
+/(?=(a))?./
+ ab
+ 0: a
+ bc
+ 0: b
+
+/(?=(a))??./
+ ab
+ 0: a
+ bc
+ 0: b
+
+/^(?=(a)){0}b(?1)/
+ backgammon
+ 0: ba
+
+/^(?=(?1))?[az]([abc])d/
+ abd
+ 0: abd
+ zcdxx
+ 0: zcd
+
+/^(?!a){0}\w+/
+ aaaaa
+ 0: aaaaa
+
+/(?<=(abc))?xyz/
+ abcxyz
+ 0: xyz
+ pqrxyz
+ 0: xyz
+
+/((?2))((?1))/
+ abc
+Failed: error -52: nested recursion at the same subject position
+
+/(?(R)a+|(?R)b)/
+ aaaabcde
+ 0: aaaab
+
+/(?(R)a+|((?R))b)/
+ aaaabcde
+ 0: aaaab
+
+/((?(R)a+|(?1)b))/
+ aaaabcde
+ 0: aaaab
+
+/((?(R2)a+|(?1)b))()/
+ aaaabcde
+Failed: error -40: backreference condition or recursion test is not supported for DFA matching
+
+/(?(R)a*(?1)|((?R))b)/
+ aaaabcde
+Failed: error -52: nested recursion at the same subject position
+
+/(a+)/no_auto_possess
+ aaaa\=ovector=3
+Matched, but offsets vector is too small to show all matches
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ aaaa\=ovector=4
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/^\R/
+ \r\=ps
+ 0: \x0d
+ \r\=ph
+Partial match: \x0d
+
+/^\R{2,3}x/
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ \r\r\=ps
+Partial match: \x0d\x0d
+ \r\r\=ph
+Partial match: \x0d\x0d
+ \r\r\r\=ps
+Partial match: \x0d\x0d\x0d
+ \r\r\r\=ph
+Partial match: \x0d\x0d\x0d
+ \r\rx
+ 0: \x0d\x0dx
+ \r\r\rx
+ 0: \x0d\x0d\x0dx
+
+/^\R{2,3}?x/
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ \r\r\=ps
+Partial match: \x0d\x0d
+ \r\r\=ph
+Partial match: \x0d\x0d
+ \r\r\r\=ps
+Partial match: \x0d\x0d\x0d
+ \r\r\r\=ph
+Partial match: \x0d\x0d\x0d
+ \r\rx
+ 0: \x0d\x0dx
+ \r\r\rx
+ 0: \x0d\x0d\x0dx
+
+/^\R?x/
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ x
+ 0: x
+ \rx
+ 0: \x0dx
+
+/^\R+x/
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ \r\n\=ps
+Partial match: \x0d\x0a
+ \r\n\=ph
+Partial match: \x0d\x0a
+ \rx
+ 0: \x0dx
+
+/^a$/newline=crlf
+ a\r\=ps
+Partial match: a\x0d
+ a\r\=ph
+Partial match: a\x0d
+
+/^a$/m,newline=crlf
+ a\r\=ps
+Partial match: a\x0d
+ a\r\=ph
+Partial match: a\x0d
+
+/^(a$|a\r)/newline=crlf
+ a\r\=ps
+ 0: a\x0d
+ a\r\=ph
+Partial match: a\x0d
+
+/^(a$|a\r)/m,newline=crlf
+ a\r\=ps
+ 0: a\x0d
+ a\r\=ph
+Partial match: a\x0d
+
+/./newline=crlf
+ \r\=ps
+ 0: \x0d
+ \r\=ph
+Partial match: \x0d
+
+/.{2,3}/newline=crlf
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ \r\r\=ps
+ 0: \x0d\x0d
+ \r\r\=ph
+Partial match: \x0d\x0d
+ \r\r\r\=ps
+ 0: \x0d\x0d\x0d
+ \r\r\r\=ph
+Partial match: \x0d\x0d\x0d
+
+/.{2,3}?/newline=crlf
+ \r\=ps
+Partial match: \x0d
+ \r\=ph
+Partial match: \x0d
+ \r\r\=ps
+ 0: \x0d\x0d
+ \r\r\=ph
+Partial match: \x0d\x0d
+ \r\r\r\=ps
+ 0: \x0d\x0d\x0d
+ 1: \x0d\x0d
+ \r\r\r\=ph
+Partial match: \x0d\x0d\x0d
+
+# Test simple validity check for restarts
+
+/abcdef/
+ abc\=dfa_restart
+Failed: error -38: invalid data in workspace for DFA restart
+
+/<H((?(?!<H|F>)(.)|(?R))++)*F>/
+ text <H more text <H texting more hexA0-"\xA0" hex above 7F-"\xBC" F> text xxxxx <H text F> text F> text2 <H text sample F> more text.
+ 0: <H more text <H texting more hexA0-"\xa0" hex above 7F-"\xbc" F> text xxxxx <H text F> text F>
+
+/^(?>.{4})abc|^\w\w.xabcd/
+ xxxxabcd
+ 0: xxxxabcd
+ 1: xxxxabc
+ xx\xa0xabcd
+ 0: xx\xa0xabcd
+ 1: xx\xa0xabc
+
+/^(.{4}){2}+abc|^\w\w.x\w\w\w\wabcd/
+ xxxxxxxxabcd
+ 0: xxxxxxxxabcd
+ 1: xxxxxxxxabc
+ xx\xa0xxxxxabcd
+ 0: xx\xa0xxxxxabcd
+ 1: xx\xa0xxxxxabc
+
+/abcd/
+ abcd\=ovector=0
+ 0: abcd
+
+# These tests show up auto-possessification
+
+/[ab]*/
+ aaaa
+ 0: aaaa
+
+/[ab]*?/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/[ab]?/
+ aaaa
+ 0: a
+
+/[ab]??/
+ aaaa
+ 0: a
+ 1:
+
+/[ab]+/
+ aaaa
+ 0: aaaa
+
+/[ab]+?/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/[ab]{2,3}/
+ aaaa
+ 0: aaa
+
+/[ab]{2,3}?/
+ aaaa
+ 0: aaa
+ 1: aa
+
+/[ab]{2,}/
+ aaaa
+ 0: aaaa
+
+/[ab]{2,}?/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+
+'\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++'
+ NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
+ 0: NON QUOTED "QUOT""ED" AFTER
+
+'\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++'
+ NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
+ 0: NON QUOTED "QUOT""ED" AFTER
+
+/abc(?=xyz)/allusedtext
+ abcxyzpqr
+ 0: abcxyz
+ >>>
+ abcxyzpqr\=aftertext
+ 0: abcxyz
+ >>>
+ 0+ xyzpqr
+
+/(?<=pqr)abc(?=xyz)/allusedtext
+ xyzpqrabcxyzpqr
+ 0: pqrabcxyz
+ <<< >>>
+ xyzpqrabcxyzpqr\=aftertext
+ 0: pqrabcxyz
+ <<< >>>
+ 0+ xyzpqr
+
+/a\b/
+ a.\=allusedtext
+ 0: a.
+ >
+ a\=allusedtext
+ 0: a
+
+/abc(?=abcde)(?=ab)/allusedtext
+ abcabcdefg
+ 0: abcabcde
+ >>>>>
+
+/a*?b*?/
+ ab
+ 0: ab
+ 1: a
+ 2:
+
+/(*NOTEMPTY)a*?b*?/
+ ab
+ 0: ab
+ 1: a
+ ba
+ 0: b
+ cb
+ 0: b
+
+/(*NOTEMPTY_ATSTART)a*?b*?/aftertext
+ ab
+ 0: ab
+ 0+
+ 1: a
+ cdab
+ 0:
+ 0+ dab
+
+/(a)(b)|(c)/
+ XcX\=ovector=2,get=1,get=2,get=3,get=4,getall
+ 0: c
+Get substring 1 failed (-55): requested value is not set
+Get substring 2 failed (-54): requested value is not available
+Get substring 3 failed (-54): requested value is not available
+Get substring 4 failed (-54): requested value is not available
+ 0L c
+
+/(?<A>aa)/
+ aa\=get=A
+ 0: aa
+Get substring 'A' failed (-41): function is not supported for DFA matching
+ aa\=copy=A
+ 0: aa
+Copy substring 'A' failed (-41): function is not supported for DFA matching
+
+/a+/no_auto_possess
+ a\=ovector=2,get=1,get=2,getall
+ 0: a
+Get substring 1 failed (-55): requested value is not set
+Get substring 2 failed (-54): requested value is not available
+ 0L a
+ aaa\=ovector=2,get=1,get=2,getall
+Matched, but offsets vector is too small to show all matches
+ 0: aaa
+ 1: aa
+ 1G aa (2)
+Get substring 2 failed (-54): requested value is not available
+ 0L aaa
+ 1L aa
+
+/a(b)c(d)/
+ abc\=ph,copy=0,copy=1,getall
+Partial match: abc
+ 0C abc (3)
+Copy substring 1 failed (-2): partial match
+get substring list failed (-2): partial match
+
+/ab(?C" any text with spaces ")cde/B
+------------------------------------------------------------------
+ Bra
+ ab
+ CalloutStr " any text with spaces " 6 30 1
+ cde
+ Ket
+ End
+------------------------------------------------------------------
+ abcde
+Callout (6): " any text with spaces "
+--->abcde
+ ^ ^ c
+ 0: abcde
+ 12abcde
+Callout (6): " any text with spaces "
+--->12abcde
+ ^ ^ c
+ 0: abcde
+
+/^a(b)c(?C1)def/
+ abcdef
+--->abcdef
+ 1 ^ ^ d
+ 0: abcdef
+
+/^a(b)c(?C"AB")def/
+ abcdef
+Callout (10): "AB"
+--->abcdef
+ ^ ^ d
+ 0: abcdef
+
+/^a(b)c(?C1)def/
+ abcdef\=callout_capture
+Callout 1: last capture = 0
+--->abcdef
+ ^ ^ d
+ 0: abcdef
+
+/^a(b)c(?C{AB})def/B
+------------------------------------------------------------------
+ Bra
+ ^
+ a
+ CBra 1
+ b
+ Ket
+ c
+ CalloutStr {AB} 10 14 1
+ def
+ Ket
+ End
+------------------------------------------------------------------
+ abcdef\=callout_capture
+Callout (10): {AB} last capture = 0
+--->abcdef
+ ^ ^ d
+ 0: abcdef
+
+/^(?(?C25)(?=abc)abcd|xyz)/B
+------------------------------------------------------------------
+ Bra
+ ^
+ Cond
+ Callout 25 9 3
+ Assert
+ abc
+ Ket
+ abcd
+ Alt
+ xyz
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ abcdefg
+--->abcdefg
+ 25 ^ (?=
+ 0: abcd
+ xyz123
+--->xyz123
+ 25 ^ (?=
+ 0: xyz
+
+/^(?(?C$abc$)(?=abc)abcd|xyz)/B
+------------------------------------------------------------------
+ Bra
+ ^
+ Cond
+ CalloutStr $abc$ 7 12 3
+ Assert
+ abc
+ Ket
+ abcd
+ Alt
+ xyz
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ abcdefg
+Callout (7): $abc$
+--->abcdefg
+ ^ (?=
+ 0: abcd
+ xyz123
+Callout (7): $abc$
+--->xyz123
+ ^ (?=
+ 0: xyz
+
+/^ab(?C'first')cd(?C"second")ef/
+ abcdefg
+Callout (7): 'first'
+--->abcdefg
+ ^ ^ c
+Callout (20): "second"
+--->abcdefg
+ ^ ^ e
+ 0: abcdef
+
+/(?:a(?C`code`)){3}X/
+ aaaXY
+Callout (8): `code`
+--->aaaXY
+ ^^ ){3}
+Callout (8): `code`
+--->aaaXY
+ ^ ^ ){3}
+Callout (8): `code`
+--->aaaXY
+ ^ ^ ){3}
+ 0: aaaX
+
+# Binary zero in callout string
+/"a(?C'x" 00 "z')b"/hex
+ abcdefgh
+Callout (5): 'x\x00z'
+--->abcdefgh
+ ^^ b
+ 0: ab
+
+/(?(?!)a|b)/
+ bbb
+ 0: b
+\= Expect no match
+ aaa
+No match
+
+/^/gm
+ \n\n\n
+ 0:
+ 0:
+ 0:
+
+/^/gm,alt_circumflex
+ \n\n\n
+ 0:
+ 0:
+ 0:
+ 0:
+
+/abc/use_offset_limit
+ 1234abcde\=offset_limit=100
+ 0: abc
+ 1234abcde\=offset_limit=9
+ 0: abc
+ 1234abcde\=offset_limit=4
+ 0: abc
+ 1234abcde\=offset_limit=4,offset=4
+ 0: abc
+\= Expect no match
+ 1234abcde\=offset_limit=4,offset=5
+No match
+ 1234abcde\=offset_limit=3
+No match
+
+/(?<=abc)/use_offset_limit
+ 1234abc\=offset_limit=7
+ 0:
+\= Expect no match
+ 1234abc\=offset_limit=6
+No match
+
+/abcd/null_context
+ abcd\=null_context
+ 0: abcd
+
+/()()a+/no_auto_possess
+ aaa\=allcaptures
+** Ignored after DFA matching: allcaptures
+ 0: aaa
+ 1: aa
+ 2: a
+ a\=allcaptures
+** Ignored after DFA matching: allcaptures
+ 0: a
+
+/(*LIMIT_DEPTH=100)^((.)(?1)|.)$/
+\= Expect depth limit exceeded
+ a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
+Failed: error -53: matching depth limit exceeded
+
+/(*LIMIT_HEAP=0)^((.)(?1)|.)$/
+\= Expect heap limit exceeded
+ a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
+Failed: error -63: heap limit exceeded
+
+/(*LIMIT_HEAP=50000)^((.)(?1)|.)$/
+\= Expect success
+ a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
+ 0: a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
+
+/(02-)?[0-9]{3}-[0-9]{3}/
+ 02-123-123
+ 0: 02-123-123
+
+/^(a(?2))(b)(?1)/
+ abbab\=find_limits
+Minimum heap limit = 0
+Minimum match limit = 4
+Minimum depth limit = 2
+ 0: abbab
+
+/abc/endanchored
+ xyzabc
+ 0: abc
+\= Expect no match
+ xyzabcdef
+No match
+\= Expect error
+ xyzabc\=ph
+Failed: error -34: bad option value
+
+/abc/
+ xyzabc\=endanchored
+ 0: abc
+\= Expect no match
+ xyzabcdef\=endanchored
+No match
+\= Expect error
+ xyzabc\=ps,endanchored
+Failed: error -34: bad option value
+
+/abc|bcd/endanchored
+ xyzabcd
+ 0: bcd
+\= Expect no match
+ xyzabcdef
+No match
+
+/(*NUL)^.*/
+ a\nb\x00ccc
+ 0: a\x0ab
+
+/(*NUL)^.*/s
+ a\nb\x00ccc
+ 0: a\x0ab\x00ccc
+
+/^x/m,newline=nul
+ ab\x00xy
+ 0: x
+
+/'#comment' 0d 0a 00 '^x\' 0a 'y'/x,newline=nul,hex
+ x\nyz
+ 0: x\x0ay
+
+/(*NUL)^X\NY/
+ X\nY
+ 0: X\x0aY
+ X\rY
+ 0: X\x0dY
+\= Expect no match
+ X\x00Y
+No match
+
+/(?<=abc|)/
+ abcde\=aftertext
+ 0:
+ 0+ abcde
+
+/(?<=|abc)/
+ abcde\=aftertext
+ 0:
+ 0+ abcde
+
+/(?<=abc|)/endanchored
+ abcde\=aftertext
+ 0:
+ 0+
+
+/(?<=|abc)/endanchored
+ abcde\=aftertext
+ 0:
+ 0+
+
+/(*LIMIT_MATCH=100).*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00\v\x00\x00\x00\19H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\13\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););/no_dotstar_anchor
+\= Expect limit exceeded
+.*(?![|H]?.*(?![|H]?););.*(?![|H]?.*(?![|H]?););\x00\x00\x00\x00\x00\x00\x00(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?!(?![|);)?.*(![|H]?);)?.*(?![|H]?);)?.*(?![|H]?);)?.*(?![|H]););![|H]?););[|H]?);|H]?);)\x00\x00\x00\v\x00\x00\x00\19H]?););?![|H]?);)?.*(?![|H]?););[||H]?);)?.*(?![|H]?););[|H]?);(?![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););;[\13\x00\x00\x00\x00\x00\x00\x00![|H]?););![|H]?););[|H]?);|H]?);)?.*(?![|H]?););
+Failed: error -47: match limit exceeded
+
+/\n/firstline
+ xyz\nabc
+ 0: \x0a
+
+/\nabc/firstline
+ xyz\nabc
+ 0: \x0aabc
+
+/\x{0a}abc/firstline,newline=crlf
+\= Expect no match
+ xyz\r\nabc
+No match
+
+/[abc]/firstline
+\= Expect no match
+ \na
+No match
+
+# End of testinput6
projects / ossec-hids.git / blobdiff