--- /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
+
+/ab*c/
+ abc
+ abbbbc
+ ac
+
+/ab+c/
+ abc
+ abbbbbbc
+\= Expect no match
+ ac
+ ab
+
+/a*/no_auto_possess
+ a
+ aaaaaaaaaaaaaaaaa
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=ovector=10
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\=dfa_shortest
+
+/(a|abcd|african)/
+ a
+ abcd
+ african
+
+/^abc/
+ abcdef
+\= Expect no match
+ xyzabc
+ xyz\nabc
+
+/^abc/m
+ abcdef
+ xyz\nabc
+\= Expect no match
+ xyzabc
+
+/\Aabc/
+ abcdef
+\= Expect no match
+ xyzabc
+ xyz\nabc
+
+/\Aabc/m
+ abcdef
+\= Expect no match
+ xyzabc
+ xyz\nabc
+
+/\Gabc/
+ abcdef
+ xyzabc\=offset=3
+\= Expect no match
+ xyzabc
+ xyzabc\=offset=2
+
+/x\dy\Dz/
+ x9yzz
+ x0y+z
+\= Expect no match
+ xyz
+ xxy0z
+
+/x\sy\Sz/
+ x yzz
+ x y+z
+\= Expect no match
+ xyz
+ xxyyz
+
+/x\wy\Wz/
+ xxy+z
+\= Expect no match
+ xxy0z
+ x+y+z
+
+/x.y/
+ x+y
+ x-y
+\= Expect no match
+ x\ny
+
+/x.y/s
+ x+y
+ x-y
+ x\ny
+
+/(a.b(?s)c.d|x.y)p.q/
+ a+bc+dp+q
+ a+bc\ndp+q
+ x\nyp+q
+\= Expect no match
+ a\nbc\ndp+q
+ a+bc\ndp\nq
+ x\nyp\nq
+
+/a\d\z/
+ ba0
+\= Expect no match
+ ba0\n
+ ba0\ncd
+
+/a\d\z/m
+ ba0
+\= Expect no match
+ ba0\n
+ ba0\ncd
+
+/a\d\Z/
+ ba0
+ ba0\n
+\= Expect no match
+ ba0\ncd
+
+/a\d\Z/m
+ ba0
+ ba0\n
+\= Expect no match
+ ba0\ncd
+
+/a\d$/
+ ba0
+ ba0\n
+\= Expect no match
+ ba0\ncd
+
+/a\d$/m
+ ba0
+ ba0\n
+ ba0\ncd
+
+/abc/i
+ abc
+ aBc
+ ABC
+
+/[^a]/
+ abcd
+
+/ab?\w/
+ abz
+ abbz
+ azz
+
+/x{0,3}yz/
+ ayzq
+ axyzq
+ axxyz
+ axxxyzq
+ axxxxyzq
+\= Expect no match
+ ax
+ axx
+
+/x{3}yz/
+ axxxyzq
+ axxxxyzq
+\= Expect no match
+ ax
+ axx
+ ayzq
+ axyzq
+ axxyz
+
+/x{2,3}yz/
+ axxyz
+ axxxyzq
+ axxxxyzq
+\= Expect no match
+ ax
+ axx
+ ayzq
+ axyzq
+
+/[^a]+/no_auto_possess
+ bac
+ bcdefax
+\= Expect no match
+ aaaaa
+
+/[^a]*/no_auto_possess
+ bac
+ bcdefax
+ aaaaa
+
+/[^a]{3,5}/no_auto_possess
+ xyz
+ awxyza
+ abcdefa
+ abcdefghijk
+\= Expect no match
+ axya
+ axa
+ aaaaa
+
+/\d*/
+ 1234b567
+ xyz
+
+/\D*/
+ a1234b567
+ xyz
+
+/\d+/
+ ab1234c56
+\= Expect no match
+ xyz
+
+/\D+/
+ ab123c56
+\= Expect no match
+ 789
+
+/\d?A/
+ 045ABC
+ ABC
+\= Expect no match
+ XYZ
+
+/\D?A/
+ ABC
+ BAC
+ 9ABC
+
+/a+/
+ aaaa
+
+/^.*xyz/
+ xyz
+ ggggggggxyz
+
+/^.+xyz/
+ abcdxyz
+ axyz
+\= Expect no match
+ xyz
+
+/^.?xyz/
+ xyz
+ cxyz
+
+/^\d{2,3}X/
+ 12X
+ 123X
+\= Expect no match
+ X
+ 1X
+ 1234X
+
+/^[abcd]\d/
+ a45
+ b93
+ c99z
+ d04
+\= Expect no match
+ e45
+ abcd
+ abcd1234
+ 1234
+
+/^[abcd]*\d/
+ a45
+ b93
+ c99z
+ d04
+ abcd1234
+ 1234
+\= Expect no match
+ e45
+ abcd
+
+/^[abcd]+\d/
+ a45
+ b93
+ c99z
+ d04
+ abcd1234
+\= Expect no match
+ 1234
+ e45
+ abcd
+
+/^a+X/
+ aX
+ aaX
+
+/^[abcd]?\d/
+ a45
+ b93
+ c99z
+ d04
+ 1234
+\= Expect no match
+ abcd1234
+ e45
+
+/^[abcd]{2,3}\d/
+ ab45
+ bcd93
+\= Expect no match
+ 1234
+ a36
+ abcd1234
+ ee45
+
+/^(abc)*\d/
+ abc45
+ abcabcabc45
+ 42xyz
+
+/^(abc)+\d/
+ abc45
+ abcabcabc45
+\= Expect no match
+ 42xyz
+
+/^(abc)?\d/
+ abc45
+ 42xyz
+\= Expect no match
+ abcabcabc45
+
+/^(abc){2,3}\d/
+ abcabc45
+ abcabcabc45
+\= Expect no match
+ abcabcabcabc45
+ abc45
+ 42xyz
+
+/1(abc|xyz)2(?1)3/
+ 1abc2abc3456
+ 1abc2xyz3456
+
+/^(a*\w|ab)=(a*\w|ab)/
+ ab=ab
+
+/^(a*\w|ab)=(?1)/
+ ab=ab
+
+/^([^()]|\((?1)*\))*$/
+ abc
+ a(b)c
+ a(b(c))d
+\= Expect no match)
+ a(b(c)d
+
+/^>abc>([^()]|\((?1)*\))*<xyz<$/
+ >abc>123<xyz<
+ >abc>1(2)3<xyz<
+ >abc>(1(2)3)<xyz<
+
+/^(?>a*)\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x
+ <>
+ <abcd>
+ <abc <123> hij>
+ <abc <def> hij>
+ <abc<>def>
+ <abc<>
+\= Expect no match
+ <abc
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 12
+\= Expect no match
+ 123
+ xyz
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 12
+\= Expect no match
+ 123
+ xyz
+
+/^(?=abc)\w{5}:$/
+ abcde:
+\= Expect no match
+ abc..
+ 123
+ vwxyz
+
+/^(?!abc)\d\d$/
+ 12
+\= Expect no match
+ abcde:
+ abc..
+ 123
+ vwxyz
+
+/(?<=abc|xy)123/
+ abc12345
+ wxy123z
+\= Expect no match
+ 123abc
+
+/(?<!abc|xy)123/
+ 123abc
+ mno123456
+\= Expect no match
+ abc12345
+ wxy123z
+
+/abc(?C1)xyz/
+ abcxyz
+ 123abcxyz999
+
+/(ab|cd){3,4}/auto_callout
+ ababab
+ abcdabcd
+ abcdcdcdcdcd
+
+/^abc/
+ abcdef
+\= Expect no match
+ abcdef\=notbol
+
+/^(a*|xyz)/
+ bcd
+ aaabcd
+ xyz
+ xyz\=notempty
+\= Expect no match
+ bcd\=notempty
+
+/xyz$/
+ xyz
+ xyz\n
+\= Expect no match
+ xyz\=noteol
+ xyz\n\=noteol
+
+/xyz$/m
+ xyz
+ xyz\n
+ abcxyz\npqr
+ abcxyz\npqr\=noteol
+ xyz\n\=noteol
+\= Expect no match
+ xyz\=noteol
+
+/\Gabc/
+ abcdef
+ defabcxyz\=offset=3
+\= Expect no match
+ defabcxyz
+
+/^abcdef/
+ ab\=ps
+ abcde\=ps
+ abcdef\=ps
+\= Expect no match
+ abx\=ps
+
+/^a{2,4}\d+z/
+ a\=ps
+ aa\=ps
+ aa2\=ps
+ aaa\=ps
+ aaa23\=ps
+ aaaa12345\=ps
+ aa0z\=ps
+ aaaa4444444444444z\=ps
+\= Expect no match
+ az\=ps
+ aaaaa\=ps
+ a56\=ps
+
+/^abcdef/
+ abc\=ps
+ def\=dfa_restart
+
+/(?<=foo)bar/
+ foob\=ps,offset=2
+ foobar...\=ps,dfa_restart,offset=4
+ foobar\=offset=2
+\= Expect no match
+ xyzfo\=ps
+ obar\=dfa_restart
+
+/(ab*(cd|ef))+X/
+ lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\=ps,notbol,noteol
+ cdabbbbbbbb\=ps,notbol,dfa_restart,noteol
+ efabbbbbbbbbbbbbbbb\=ps,notbol,dfa_restart,noteol
+ bbbbbbbbbbbbcdXyasdfadf\=ps,notbol,dfa_restart,noteol
+\= Expect no match
+ adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\=ps,noteol
+
+/the quick brown fox/
+ the quick brown fox
+ What do you know about the quick brown fox?
+\= Expect no match
+ The quick brown FOX
+ What do you know about THE QUICK BROWN FOX?
+
+/The quick brown fox/i
+ the quick brown fox
+ The quick brown FOX
+ What do you know about the quick brown fox?
+ What do you know about THE QUICK BROWN FOX?
+
+/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
+ abcd\t\n\r\f\a\e9;\$\\?caxyz
+
+/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
+ abxyzpqrrrabbxyyyypqAzz
+ abxyzpqrrrabbxyyyypqAzz
+ aabxyzpqrrrabbxyyyypqAzz
+ aaabxyzpqrrrabbxyyyypqAzz
+ aaaabxyzpqrrrabbxyyyypqAzz
+ abcxyzpqrrrabbxyyyypqAzz
+ aabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypAzz
+ aaabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ aaaabcxyzpqrrrabbxyyyypqAzz
+ abxyzzpqrrrabbxyyyypqAzz
+ aabxyzzzpqrrrabbxyyyypqAzz
+ aaabxyzzzzpqrrrabbxyyyypqAzz
+ aaaabxyzzzzpqrrrabbxyyyypqAzz
+ abcxyzzpqrrrabbxyyyypqAzz
+ aabcxyzzzpqrrrabbxyyyypqAzz
+ aaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypABzz
+ aaabcxyzpqrrrabbxyyyypABBzz
+ >>>aaabxyzpqrrrabbxyyyypqAzz
+ >aaaabxyzpqrrrabbxyyyypqAzz
+ >>>>abcxyzpqrrrabbxyyyypqAzz
+\= Expect no match
+ abxyzpqrrabbxyyyypqAzz
+ abxyzpqrrrrabbxyyyypqAzz
+ abxyzpqrrrabxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyypqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
+
+/^(abc){1,2}zz/
+ abczz
+ abcabczz
+\= Expect no match
+ zz
+ abcabcabczz
+ >>abczz
+
+/^(b+?|a){1,2}?c/
+ bc
+ bbc
+ bbbc
+ bac
+ bbac
+ aac
+ abbbbbbbbbbbc
+ bbbbbbbbbbbac
+\= Expect no match
+ aaac
+ abbbbbbbbbbbac
+
+/^(b+|a){1,2}c/
+ bc
+ bbc
+ bbbc
+ bac
+ bbac
+ aac
+ abbbbbbbbbbbc
+ bbbbbbbbbbbac
+\= Expect no match
+ aaac
+ abbbbbbbbbbbac
+
+/^(b+|a){1,2}?bc/
+ bbc
+
+/^(b*|ba){1,2}?bc/
+ babc
+ bbabc
+ bababc
+\= Expect no match
+ bababbc
+ babababc
+
+/^(ba|b*){1,2}?bc/
+ babc
+ bbabc
+ bababc
+\= Expect no match
+ bababbc
+ babababc
+
+/^\ca\cA\c[\c{\c:/
+ \x01\x01\e;z
+
+/^[ab\]cde]/
+ athing
+ bthing
+ ]thing
+ cthing
+ dthing
+ ething
+\= Expect no match
+ fthing
+ [thing
+ \\thing
+
+/^[]cde]/
+ ]thing
+ cthing
+ dthing
+ ething
+\= Expect no match
+ athing
+ fthing
+
+/^[^ab\]cde]/
+ fthing
+ [thing
+ \\thing
+\= Expect no match
+ athing
+ bthing
+ ]thing
+ cthing
+ dthing
+ ething
+
+/^[^]cde]/
+ athing
+ fthing
+\= Expect no match
+ ]thing
+ cthing
+ dthing
+ ething
+
+/^\\81/
+ \81
+
+/^ÿ/
+ ÿ
+
+/^[0-9]+$/
+ 0
+ 1
+ 2
+ 3
+ 4
+ 5
+ 6
+ 7
+ 8
+ 9
+ 10
+ 100
+\= Expect no match
+ abc
+
+/^.*nter/
+ enter
+ inter
+ uponter
+
+/^xxx[0-9]+$/
+ xxx0
+ xxx1234
+\= Expect no match
+ xxx
+
+/^.+[0-9][0-9][0-9]$/
+ x123
+ xx123
+ 123456
+ x1234
+\= Expect no match
+ 123
+
+/^.+?[0-9][0-9][0-9]$/
+ x123
+ xx123
+ 123456
+ x1234
+\= Expect no match
+ 123
+
+/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
+ abc!pqr=apquxz.ixr.zzz.ac.uk
+\= Expect no match
+ !pqr=apquxz.ixr.zzz.ac.uk
+ abc!=apquxz.ixr.zzz.ac.uk
+ abc!pqr=apquxz:ixr.zzz.ac.uk
+ abc!pqr=apquxz.ixr.zzz.ac.ukk
+
+/:/
+ Well, we need a colon: somewhere
+\= Expect no match
+ No match without a colon
+
+/([\da-f:]+)$/i
+ 0abc
+ abc
+ fed
+ E
+ ::
+ 5f03:12C0::932e
+ fed def
+ Any old stuff
+\= Expect no match
+ 0zzz
+ gzzz
+ fed\x20
+ Any old rubbish
+
+/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
+ .1.2.3
+ A.12.123.0
+\= Expect no match
+ .1.2.3333
+ 1.2.3
+ 1234.2.3
+
+/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
+ 1 IN SOA non-sp1 non-sp2(
+ 1 IN SOA non-sp1 non-sp2 (
+\= Expect no match
+ 1IN SOA non-sp1 non-sp2(
+
+/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
+ a.
+ Z.
+ 2.
+ ab-c.pq-r.
+ sxk.zzz.ac.uk.
+ x-.y-.
+\= Expect no match
+ -abc.peq.
+
+/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
+ *.a
+ *.b0-a
+ *.c3-b.c
+ *.c-a.b-c
+\= Expect no match
+ *.0
+ *.a-
+ *.a-b.c-
+ *.c-a.0-c
+
+/^(?=ab(de))(abd)(e)/
+ abde
+
+/^(?!(ab)de|x)(abd)(f)/
+ abdf
+
+/^(?=(ab(cd)))(ab)/
+ abcd
+
+/^[\da-f](\.[\da-f])*$/i
+ a.b.c.d
+ A.B.C.D
+ a.b.c.1.2.3.C
+
+/^\".*\"\s*(;.*)?$/
+ \"1234\"
+ \"abcd\" ;
+ \"\" ; rhubarb
+\= Expect no match
+ \"1234\" : things
+
+/^$/
+ \
+
+/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
+ ab c
+\= Expect no match
+ abc
+ ab cde
+
+/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
+ ab c
+\= Expect no match
+ abc
+ ab cde
+
+/^ a\ b[c ]d $/x
+ a bcd
+ a b d
+\= Expect no match
+ abcd
+ ab d
+
+/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
+ abcdefhijklm
+
+/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
+ abcdefhijklm
+
+/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
+ a+ Z0+\x08\n\x1d\x12
+
+/^[.^$|()*+?{,}]+/
+ .^\$(*+)|{?,?}
+
+/^a*\w/
+ z
+ az
+ aaaz
+ a
+ aa
+ aaaa
+ a+
+ aa+
+
+/^a*?\w/
+ z
+ az
+ aaaz
+ a
+ aa
+ aaaa
+ a+
+ aa+
+
+/^a+\w/
+ az
+ aaaz
+ aa
+ aaaa
+ aa+
+
+/^a+?\w/
+ az
+ aaaz
+ aa
+ aaaa
+ aa+
+
+/^\d{8}\w{2,}/
+ 1234567890
+ 12345678ab
+ 12345678__
+\= Expect no match
+ 1234567
+
+/^[aeiou\d]{4,5}$/
+ uoie
+ 1234
+ 12345
+ aaaaa
+\= Expect no match
+ 123456
+
+/^[aeiou\d]{4,5}?/
+ uoie
+ 1234
+ 12345
+ aaaaa
+ 123456
+
+/^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
+
+/^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
+ From abcd Mon Sep 1 12:33:02 1997
+\= Expect no match
+ From abcd Sep 01 12:33:02 1997
+
+/^12.34/s
+ 12\n34
+ 12\r34
+
+/\w+(?=\t)/
+ the quick brown\t fox
+
+/foo(?!bar)(.*)/
+ foobar is foolish see?
+
+/(?:(?!foo)...|^.{0,2})bar(.*)/
+ foobar crowbar etc
+ barrel
+ 2barrel
+ A barrel
+
+/^(\D*)(?=\d)(?!123)/
+ abc456
+\= Expect no match
+ abc123
+
+/^1234(?# test newlines
+ inside)/
+ 1234
+
+/^1234 #comment in extended re
+ /x
+ 1234
+
+/#rhubarb
+ abcd/x
+ abcd
+
+/^abcd#rhubarb/x
+ abcd
+
+/(?!^)abc/
+ the abc
+\= Expect no match
+ abc
+
+/(?=^)abc/
+ abc
+\= Expect no match
+ the abc
+
+/^[ab]{1,3}(ab*|b)/no_auto_possess
+ aabbbbb
+
+/^[ab]{1,3}?(ab*|b)/no_auto_possess
+ aabbbbb
+
+/^[ab]{1,3}?(ab*?|b)/no_auto_possess
+ aabbbbb
+
+/^[ab]{1,3}(ab*?|b)/no_auto_possess
+ aabbbbb
+
+/ (?: [\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>
+ <user\@dom.ain>
+ user\@dom.ain
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ A. Other <user.1234\@dom.ain> (a comment)
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ A missing angle <user\@some.where
+\= Expect no match
+ The quick brown fox
+
+/[\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>
+ <user\@dom.ain>
+ user\@dom.ain
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ A. Other <user.1234\@dom.ain> (a comment)
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ A missing angle <user\@some.where
+\= Expect no match
+ The quick brown fox
+
+/abc\0def\00pqr\000xyz\0000AB/
+ abc\0def\00pqr\000xyz\0000AB
+ abc456 abc\0def\00pqr\000xyz\0000ABCDE
+
+/abc\x0def\x00pqr\x000xyz\x0000AB/
+ abc\x0def\x00pqr\x000xyz\x0000AB
+ abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
+
+/^[\000-\037]/
+ \0A
+ \01B
+ \037C
+
+/\0*/
+ \0\0\0\0
+
+/A\x0{2,3}Z/
+ The A\x0\x0Z
+ An A\0\x0\0Z
+\= Expect no match
+ A\0Z
+ A\0\x0\0\x0Z
+
+/^\s/
+ \040abc
+ \x0cabc
+ \nabc
+ \rabc
+ \tabc
+\= Expect no match
+ abc
+
+/^a b
+ \f c/x
+ abc
+
+/ab{1,3}bc/
+ abbbbc
+ abbbc
+ abbc
+\= Expect no match
+ abc
+ abbbbbc
+
+/([^.]*)\.([^:]*):[T ]+(.*)/
+ track1.title:TBlah blah blah
+
+/([^.]*)\.([^:]*):[T ]+(.*)/i
+ track1.title:TBlah blah blah
+
+/([^.]*)\.([^:]*):[t ]+(.*)/i
+ track1.title:TBlah blah blah
+
+/^[W-c]+$/
+ WXY_^abc
+\= Expect no match
+ wxy
+
+/^[W-c]+$/i
+ WXY_^abc
+ wxy_^ABC
+
+/^[\x3f-\x5F]+$/i
+ WXY_^abc
+ wxy_^ABC
+
+/^abc$/m
+ abc
+ qqq\nabc
+ abc\nzzz
+ qqq\nabc\nzzz
+
+/^abc$/
+ abc
+\= Expect no match
+ qqq\nabc
+ abc\nzzz
+ qqq\nabc\nzzz
+
+/\Aabc\Z/m
+ abc
+ abc\n
+\= Expect no match
+ qqq\nabc
+ abc\nzzz
+ qqq\nabc\nzzz
+
+/\A(.)*\Z/s
+ abc\ndef
+
+/\A(.)*\Z/m
+\= Expect no match
+ abc\ndef
+
+/(?:b)|(?::+)/
+ b::c
+ c::b
+
+/[-az]+/
+ az-
+\= Expect no match
+ b
+
+/[az-]+/
+ za-
+\= Expect no match
+ b
+
+/[a\-z]+/
+ a-z
+\= Expect no match
+ b
+
+/[a-z]+/
+ abcdxyz
+
+/[\d-]+/
+ 12-34
+\= Expect no match
+ aaa
+
+/\x5c/
+ \\
+
+/\x20Z/
+ the Zoo
+\= Expect no match
+ Zulu
+
+/ab{3cd/
+ ab{3cd
+
+/ab{3,cd/
+ ab{3,cd
+
+/ab{3,4a}cd/
+ ab{3,4a}cd
+
+/{4,5a}bc/
+ {4,5a}bc
+
+/^a.b/newline=lf
+ a\rb
+\= Expect no match
+ a\nb
+
+/abc$/
+ abc
+ abc\n
+\= Expect no match
+ abc\ndef
+
+/(abc)\123/
+ abc\x53
+
+/(abc)\223/
+ abc\x93
+
+/(abc)\323/
+ abc\xd3
+
+/(abc)\100/
+ abc\x40
+ abc\100
+
+/(abc)\1000/
+ abc\x400
+ abc\x40\x30
+ abc\1000
+ abc\100\x30
+ abc\100\060
+ abc\100\60
+
+/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
+ abcdefghijk\12S
+
+/a{0}bc/
+ bc
+
+/(a|(bc)){0,0}?xyz/
+ xyz
+
+/abc[\10]de/
+ abc\010de
+
+/abc[\1]de/
+ abc\1de
+
+/(abc)[\1]de/
+ abc\1de
+
+/(?s)a.b/
+ a\nb
+
+/^([^a])([^\b])([^c]*)([^d]{3,4})/
+ baNOTccccd
+ baNOTcccd
+ baNOTccd
+ bacccd
+\= Expect no match
+ anything
+ b\bc
+ baccd
+
+/[^a]/
+ Abc
+
+/[^a]/i
+ Abc
+
+/[^a]+/
+ AAAaAbc
+
+/[^a]+/i
+ AAAaAbc
+
+/[^a]+/
+ bbb\nccc
+
+/[^k]$/
+ abc
+\= Expect no match
+ abk
+
+/[^k]{2,3}$/
+ abc
+ kbc
+ kabc
+\= Expect no match
+ abk
+ akb
+ akk
+
+/^\d{8,}\@.+[^k]$/
+ 12345678\@a.b.c.d
+ 123456789\@x.y.z
+\= Expect no match
+ 12345678\@x.y.uk
+ 1234567\@a.b.c.d
+
+/[^a]/
+ aaaabcd
+ aaAabcd
+
+/[^a]/i
+ aaaabcd
+ aaAabcd
+
+/[^az]/
+ aaaabcd
+ aaAabcd
+
+/[^az]/i
+ aaaabcd
+ aaAabcd
+
+/\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
+
+/P[^*]TAIRE[^*]{1,6}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+
+/P[^*]TAIRE[^*]{1,}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+
+/(\.\d\d[1-9]?)\d+/
+ 1.230003938
+ 1.875000282
+ 1.235
+
+/(\.\d\d((?=0)|\d(?=\d)))/
+ 1.230003938
+ 1.875000282
+\= Expect no match
+ 1.235
+
+/a(?)b/
+ ab
+
+/\b(foo)\s+(\w+)/i
+ Food is on the foo table
+
+/foo(.*)bar/
+ The food is under the bar in the barn.
+
+/foo(.*?)bar/
+ The food is under the bar in the barn.
+
+/(.*)(\d*)/no_auto_possess
+ I have 2 numbers: 53147
+
+/(.*)(\d+)/
+ I have 2 numbers: 53147
+
+/(.*?)(\d*)/no_auto_possess
+ I have 2 numbers: 53147
+
+/(.*?)(\d+)/
+ I have 2 numbers: 53147
+
+/(.*)(\d+)$/
+ I have 2 numbers: 53147
+
+/(.*?)(\d+)$/
+ I have 2 numbers: 53147
+
+/(.*)\b(\d+)$/
+ I have 2 numbers: 53147
+
+/(.*\D)(\d+)$/
+ I have 2 numbers: 53147
+
+/^\D*(?!123)/
+ ABC123
+
+/^(\D*)(?=\d)(?!123)/
+ ABC445
+\= Expect no match
+ ABC123
+
+/^[W-]46]/
+ W46]789
+ -46]789
+\= Expect no match
+ Wall
+ Zebra
+ 42
+ [abcd]
+ ]abcd[
+
+/^[W-\]46]/
+ W46]789
+ Wall
+ Zebra
+ Xylophone
+ 42
+ [abcd]
+ ]abcd[
+ \\backslash
+\= Expect no match
+ -46]789
+ well
+
+/\d\d\/\d\d\/\d\d\d\d/
+ 01/01/2000
+
+/word (?:[a-zA-Z0-9]+ ){0,10}otherword/
+ 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
+
+/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
+
+/^(a){0,0}/
+ bcd
+ abc
+ aab
+
+/^(a){0,1}/
+ bcd
+ abc
+ aab
+
+/^(a){0,2}/
+ bcd
+ abc
+ aab
+
+/^(a){0,3}/
+ bcd
+ abc
+ aab
+ aaa
+
+/^(a){0,}/
+ bcd
+ abc
+ aab
+ aaa
+ aaaaaaaa
+
+/^(a){1,1}/
+ abc
+ aab
+\= Expect no match
+ bcd
+
+/^(a){1,2}/
+ abc
+ aab
+\= Expect no match
+ bcd
+
+/^(a){1,3}/
+ abc
+ aab
+ aaa
+\= Expect no match
+ bcd
+
+/^(a){1,}/
+ abc
+ aab
+ aaa
+ aaaaaaaa
+\= Expect no match
+ bcd
+
+/.*\.gif/
+ borfle\nbib.gif\nno
+
+/.{0,}\.gif/
+ borfle\nbib.gif\nno
+
+/.*\.gif/m
+ borfle\nbib.gif\nno
+
+/.*\.gif/s
+ borfle\nbib.gif\nno
+
+/.*\.gif/ms
+ borfle\nbib.gif\nno
+
+/.*$/
+ borfle\nbib.gif\nno
+
+/.*$/m
+ borfle\nbib.gif\nno
+
+/.*$/s
+ borfle\nbib.gif\nno
+
+/.*$/ms
+ borfle\nbib.gif\nno
+
+/.*$/
+ borfle\nbib.gif\nno\n
+
+/.*$/m
+ borfle\nbib.gif\nno\n
+
+/.*$/s
+ borfle\nbib.gif\nno\n
+
+/.*$/ms
+ borfle\nbib.gif\nno\n
+
+/(.*X|^B)/
+ abcde\n1234Xyz
+ BarFoo
+\= Expect no match
+ abcde\nBar
+
+/(.*X|^B)/m
+ abcde\n1234Xyz
+ BarFoo
+ abcde\nBar
+
+/(.*X|^B)/s
+ abcde\n1234Xyz
+ BarFoo
+\= Expect no match
+ abcde\nBar
+
+/(.*X|^B)/ms
+ abcde\n1234Xyz
+ BarFoo
+ abcde\nBar
+
+/(?s)(.*X|^B)/
+ abcde\n1234Xyz
+ BarFoo
+\= Expect no match
+ abcde\nBar
+
+/(?s:.*X|^B)/
+ abcde\n1234Xyz
+ BarFoo
+\= Expect no match
+ abcde\nBar
+
+/^.*B/
+\= Expect no match
+ abc\nB
+
+/(?s)^.*B/
+ abc\nB
+
+/(?m)^.*B/
+ abc\nB
+
+/(?ms)^.*B/
+ abc\nB
+
+/(?ms)^B/
+ abc\nB
+
+/(?s)B$/
+ B\n
+
+/^[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
+
+/^\d\d\d\d\d\d\d\d\d\d\d\d/
+ 123456654321
+
+/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
+ 123456654321
+
+/^[abc]{12}/
+ abcabcabcabc
+
+/^[a-c]{12}/
+ abcabcabcabc
+
+/^(a|b|c){12}/
+ abcabcabcabc
+
+/^[abcdefghijklmnopqrstuvwxy0123456789]/
+ n
+\= Expect no match
+ z
+
+/abcde{0,0}/
+ abcd
+\= Expect no match
+ abce
+
+/ab[cd]{0,0}e/
+ abe
+\= Expect no match
+ abcde
+
+/ab(c){0,0}d/
+ abd
+\= Expect no match
+ abcd
+
+/a(b*)/
+ a
+ ab
+ abbbb
+\= Expect no match
+ bbbbb
+
+/ab\d{0}e/
+ abe
+\= Expect no match
+ ab1e
+
+/"([^\\"]+|\\.)*"/
+ the \"quick\" brown fox
+ \"the \\\"quick\\\" brown fox\"
+
+/.*?/g,aftertext
+ abc
+
+/\b/g,aftertext
+ abc
+
+/\b/g,aftertext
+ abc
+
+//g
+ abc
+
+/<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>
+
+/a[^a]b/
+ acb
+ a\nb
+
+/a.b/
+ acb
+\= Expect no match
+ a\nb
+
+/a[^a]b/s
+ acb
+ a\nb
+
+/a.b/s
+ acb
+ a\nb
+
+/^(b+?|a){1,2}?c/
+ bac
+ bbac
+ bbbac
+ bbbbac
+ bbbbbac
+
+/^(b+|a){1,2}?c/
+ bac
+ bbac
+ bbbac
+ bbbbac
+ bbbbbac
+
+/(?!\A)x/m
+ a\bx\n
+\= Expect no match
+ x\nb\n
+
+/\x0{ab}/
+ \0{ab}
+
+/(A|B)*?CD/
+ CD
+
+/(A|B)*CD/
+ CD
+
+/(?<!bar)foo/
+ foo
+ catfood
+ arfootle
+ rfoosh
+\= Expect no match
+ barfoo
+ towbarfoo
+
+/\w{3}(?<!bar)foo/
+ catfood
+\= Expect no match
+ foo
+ barfoo
+ towbarfoo
+
+/(?<=(foo)a)bar/
+ fooabar
+\= Expect no match
+ bar
+ foobbar
+
+/\Aabc\z/m
+ abc
+\= Expect no match
+ abc\n
+ qqq\nabc
+ abc\nzzz
+ qqq\nabc\nzzz
+
+"(?>.*/)foo"
+\= Expect no match
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+
+/(?>(\.\d\d[1-9]?))\d+/
+ 1.230003938
+ 1.875000282
+\= Expect no match
+ 1.235
+
+/^((?>\w+)|(?>\s+))*$/
+ 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!
+
+/(\d+)(\w)/
+ 12345a
+ 12345+
+
+/((?>\d+))(\w)/
+ 12345a
+\= Expect no match
+ 12345+
+
+/(?>a+)b/
+ aaab
+
+/((?>a+)b)/
+ aaab
+
+/(?>(a+))b/
+ aaab
+
+/(?>b)+/
+ aaabbbccc
+
+/(?>a+|b+|c+)*c/
+ aaabbbbccccd
+
+/(a+|b+|c+)*c/
+ aaabbbbccccd
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+
+/\(((?>[^()]+)|\([^()]+\))+\)/
+ (abc)
+ (abc(def)xyz)
+\= Expect no match
+ ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/a(?-i)b/i
+ ab
+ Ab
+\= Expect no match
+ aB
+ AB
+
+/(a (?x)b c)d e/
+ a bcd e
+\= Expect no match
+ a b cd e
+ abcd e
+ a bcde
+
+/(a b(?x)c d (?-x)e f)/
+ a bcde f
+\= Expect no match
+ abcdef
+
+/(a(?i)b)c/
+ abc
+ aBc
+\= Expect no match
+ abC
+ aBC
+ Abc
+ ABc
+ ABC
+ AbC
+
+/a(?i:b)c/
+ abc
+ aBc
+\= Expect no match
+ ABC
+ abC
+ aBC
+
+/a(?i:b)*c/
+ aBc
+ aBBc
+\= Expect no match
+ aBC
+ aBBC
+
+/a(?=b(?i)c)\w\wd/
+ abcd
+ abCd
+\= Expect no match
+ aBCd
+ abcD
+
+/(?s-i:more.*than).*million/i
+ more than million
+ more than MILLION
+ more \n than Million
+\= Expect no match
+ MORE THAN MILLION
+ more \n than \n million
+
+/(?:(?s-i)more.*than).*million/i
+ more than million
+ more than MILLION
+ more \n than Million
+\= Expect no match
+ MORE THAN MILLION
+ more \n than \n million
+
+/(?>a(?i)b+)+c/
+ abc
+ aBbc
+ aBBc
+\= Expect no match
+ Abc
+ abAb
+ abbC
+
+/(?=a(?i)b)\w\wc/
+ abc
+ aBc
+\= Expect no match
+ Ab
+ abC
+ aBC
+
+/(?<=a(?i)b)(\w\w)c/
+ abxxc
+ aBxxc
+\= Expect no match
+ Abxxc
+ ABxxc
+ abxxC
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 12
+\= Expect no match
+ 123
+ xyz
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 12
+\= Expect no match
+ 123
+ xyz
+
+/(?(?<=foo)bar|cat)/
+ foobar
+ cat
+ fcat
+ focat
+\= Expect no match
+ foocat
+
+/(?(?<!foo)cat|bar)/
+ foobar
+ cat
+ fcat
+ focat
+\= Expect no match
+ foocat
+
+/(?>a*)*/
+ a
+ aa
+ aaaa
+
+/(abc|)+/
+ abc
+ abcabc
+ abcabcabc
+ xyz
+
+/([a]*)*/
+ a
+ aaaaa
+
+/([ab]*)*/
+ a
+ b
+ ababab
+ aaaabcde
+ bbbb
+
+/([^a]*)*/
+ b
+ bbbb
+ aaa
+
+/([^ab]*)*/
+ cccc
+ abab
+
+/([a]*?)*/
+ a
+ aaaa
+
+/([ab]*?)*/
+ a
+ b
+ abab
+ baba
+
+/([^a]*?)*/
+ b
+ bbbb
+ aaa
+
+/([^ab]*?)*/
+ c
+ cccc
+ baba
+
+/(?>a*)*/
+ a
+ aaabcde
+
+/((?>a*))*/
+ aaaaa
+ aabbaa
+
+/((?>a*?))*/
+ aaaaa
+ aabbaa
+
+/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
+ 12-sep-98
+ 12-09-98
+\= Expect no match
+ sep-12-98
+
+/(?i:saturday|sunday)/
+ saturday
+ sunday
+ Saturday
+ Sunday
+ SATURDAY
+ SUNDAY
+ SunDay
+
+/(a(?i)bc|BB)x/
+ abcx
+ aBCx
+ bbx
+ BBx
+\= Expect no match
+ abcX
+ aBCX
+ bbX
+ BBX
+
+/^([ab](?i)[cd]|[ef])/
+ ac
+ aC
+ bD
+ elephant
+ Europe
+ frog
+ France
+\= Expect no match
+ Africa
+
+/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
+ ab
+ aBd
+ xy
+ xY
+ zebra
+ Zambesi
+\= Expect no match
+ aCD
+ XY
+
+/(?<=foo\n)^bar/m
+ foo\nbar
+\= Expect no match
+ bar
+ baz\nbar
+
+/(?<=(?<!foo)bar)baz/
+ barbaz
+ barbarbaz
+ koobarbaz
+\= Expect no match
+ baz
+ foobarbaz
+
+# 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
+ xabcy
+ ababc
+\= Expect no match
+ xbc
+ axc
+ abx
+
+/ab*c/
+ abc
+
+/ab*bc/
+ abc
+ abbc
+ abbbbc
+
+/.{1}/
+ abbbbc
+
+/.{3,4}/
+ abbbbc
+
+/ab{0,}bc/
+ abbbbc
+
+/ab+bc/
+ abbc
+\= Expect no match
+ abc
+ abq
+
+/ab+bc/
+ abbbbc
+
+/ab{1,}bc/
+ abbbbc
+
+/ab{1,3}bc/
+ abbbbc
+
+/ab{3,4}bc/
+ abbbbc
+
+/ab{4,5}bc/
+\= Expect no match
+ abq
+ abbbbc
+
+/ab?bc/
+ abbc
+ abc
+
+/ab{0,1}bc/
+ abc
+
+/ab?bc/
+
+/ab?c/
+ abc
+
+/ab{0,1}c/
+ abc
+
+/^abc$/
+ abc
+\= Expect no match
+ abbbbc
+ abcc
+
+/^abc/
+ abcc
+
+/^abc$/
+
+/abc$/
+ aabc
+ aabc
+\= Expect no match
+ aabcd
+
+/^/
+ abc
+
+/$/
+ abc
+
+/a.c/
+ abc
+ axc
+
+/a.*c/
+ axyzc
+
+/a[bc]d/
+ abd
+\= Expect no match
+ axyzd
+ abc
+
+/a[b-d]e/
+ ace
+
+/a[b-d]/
+ aac
+
+/a[-b]/
+ a-
+
+/a[b-]/
+ a-
+
+/a]/
+ a]
+
+/a[]]b/
+ a]b
+
+/a[^bc]d/
+ aed
+\= Expect no match
+ abd
+ abd
+
+/a[^-b]c/
+ adc
+
+/a[^]b]c/
+ adc
+ a-c
+\= Expect no match
+ a]c
+
+/\ba\b/
+ a-
+ -a
+ -a-
+
+/\by\b/
+\= Expect no match
+ xy
+ yz
+ xyz
+
+/\Ba\B/
+\= Expect no match
+ a-
+ -a
+ -a-
+
+/\By\b/
+ xy
+
+/\by\B/
+ yz
+
+/\By\B/
+ xyz
+
+/\w/
+ a
+
+/\W/
+ -
+\= Expect no match
+ a
+
+/a\sb/
+ a b
+
+/a\Sb/
+ a-b
+\= Expect no match
+ a b
+
+/\d/
+ 1
+
+/\D/
+ -
+\= Expect no match
+ 1
+
+/[\w]/
+ a
+
+/[\W]/
+ -
+\= Expect no match
+ a
+
+/a[\s]b/
+ a b
+
+/a[\S]b/
+ a-b
+\= Expect no match
+ a b
+
+/[\d]/
+ 1
+
+/[\D]/
+ -
+\= Expect no match
+ 1
+
+/ab|cd/
+ abc
+ abcd
+
+/()ef/
+ def
+
+/$b/
+
+/a\(b/
+ a(b
+
+/a\(*b/
+ ab
+ a((b
+
+/a\\b/
+ a\\b
+\= Expect no match
+ a\b
+
+/((a))/
+ abc
+
+/(a)b(c)/
+ abc
+
+/a+b+c/
+ aabbabc
+
+/a{1,}b{1,}c/
+ aabbabc
+
+/a.+?c/
+ abcabc
+
+/(a+|b)*/
+ ab
+
+/(a+|b){0,}/
+ ab
+
+/(a+|b)+/
+ ab
+
+/(a+|b){1,}/
+ ab
+
+/(a+|b)?/
+ ab
+
+/(a+|b){0,1}/
+ ab
+
+/[^ab]*/
+ cde
+
+/abc/
+\= Expect no match
+ b
+
+/a*/
+
+/([abc])*d/
+ abbbcd
+
+/([abc])*bcd/
+ abcd
+
+/a|b|c|d|e/
+ e
+
+/(a|b|c|d|e)f/
+ ef
+
+/abcd*efg/
+ abcdefg
+
+/ab*/
+ xabyabbbz
+ xayabbbz
+
+/(ab|cd)e/
+ abcde
+
+/[abhgefdc]ij/
+ hij
+
+/^(ab|cd)e/
+
+/(abc|)ef/
+ abcdef
+
+/(a|b)c*d/
+ abcd
+
+/(ab|ab*)bc/
+ abc
+
+/a([bc]*)c*/
+ abc
+
+/a([bc]*)(c*d)/
+ abcd
+
+/a([bc]+)(c*d)/
+ abcd
+
+/a([bc]*)(c+d)/
+ abcd
+
+/a[bcd]*dcdcde/
+ adcdcde
+
+/a[bcd]+dcdcde/
+\= Expect no match
+ abcde
+ adcdcde
+
+/(ab|a)b*c/
+ abc
+
+/((a)(b)c)(d)/
+ abcd
+
+/[a-zA-Z_][a-zA-Z0-9_]*/
+ alpha
+
+/^a(bc+|b[eh])g|.h$/
+ abh
+
+/(bc+d$|ef*g.|h?i(j|k))/
+ effgz
+ ij
+ reffgz
+\= Expect no match
+ effg
+ bcdd
+
+/((((((((((a))))))))))/
+ a
+
+/(((((((((a)))))))))/
+ a
+
+/multiple words of text/
+\= Expect no match
+ aa
+ uh-uh
+
+/multiple words/
+ multiple words, yeah
+
+/(.*)c(.*)/
+ abcde
+
+/\((.*), (.*)\)/
+ (a, b)
+
+/[k]/
+
+/abcd/
+ abcd
+
+/a(bc)d/
+ abcd
+
+/a[-]?c/
+ ac
+
+/abc/i
+ ABC
+ XABCY
+ ABABC
+\= Expect no match
+ aaxabxbaxbbx
+ XBC
+ AXC
+ ABX
+
+/ab*c/i
+ ABC
+
+/ab*bc/i
+ ABC
+ ABBC
+
+/ab*?bc/i
+ ABBBBC
+
+/ab{0,}?bc/i
+ ABBBBC
+
+/ab+?bc/i
+ ABBC
+
+/ab+bc/i
+\= Expect no match
+ ABC
+ ABQ
+
+/ab{1,}bc/i
+
+/ab+bc/i
+ ABBBBC
+
+/ab{1,}?bc/i
+ ABBBBC
+
+/ab{1,3}?bc/i
+ ABBBBC
+
+/ab{3,4}?bc/i
+ ABBBBC
+
+/ab{4,5}?bc/i
+\= Expect no match
+ ABQ
+ ABBBBC
+
+/ab??bc/i
+ ABBC
+ ABC
+
+/ab{0,1}?bc/i
+ ABC
+
+/ab??bc/i
+
+/ab??c/i
+ ABC
+
+/ab{0,1}?c/i
+ ABC
+
+/^abc$/i
+ ABC
+\= Expect no match
+ ABBBBC
+ ABCC
+
+/^abc/i
+ ABCC
+
+/^abc$/i
+
+/abc$/i
+ AABC
+
+/^/i
+ ABC
+
+/$/i
+ ABC
+
+/a.c/i
+ ABC
+ AXC
+
+/a.*?c/i
+ AXYZC
+
+/a.*c/i
+ AABC
+\= Expect no match
+ AXYZD
+
+/a[bc]d/i
+ ABD
+
+/a[b-d]e/i
+ ACE
+\= Expect no match
+ ABC
+ ABD
+
+/a[b-d]/i
+ AAC
+
+/a[-b]/i
+ A-
+
+/a[b-]/i
+ A-
+
+/a]/i
+ A]
+
+/a[]]b/i
+ A]B
+
+/a[^bc]d/i
+ AED
+
+/a[^-b]c/i
+ ADC
+\= Expect no match
+ ABD
+ A-C
+
+/a[^]b]c/i
+ ADC
+
+/ab|cd/i
+ ABC
+ ABCD
+
+/()ef/i
+ DEF
+
+/$b/i
+\= Expect no match
+ A]C
+ B
+
+/a\(b/i
+ A(B
+
+/a\(*b/i
+ AB
+ A((B
+
+/a\\b/i
+\= Expect no match
+ A\=notbol
+
+/((a))/i
+ ABC
+
+/(a)b(c)/i
+ ABC
+
+/a+b+c/i
+ AABBABC
+
+/a{1,}b{1,}c/i
+ AABBABC
+
+/a.+?c/i
+ ABCABC
+
+/a.*?c/i
+ ABCABC
+
+/a.{0,5}?c/i
+ ABCABC
+
+/(a+|b)*/i
+ AB
+
+/(a+|b){0,}/i
+ AB
+
+/(a+|b)+/i
+ AB
+
+/(a+|b){1,}/i
+ AB
+
+/(a+|b)?/i
+ AB
+
+/(a+|b){0,1}/i
+ AB
+
+/(a+|b){0,1}?/i
+ AB
+
+/[^ab]*/i
+ CDE
+
+/abc/i
+
+/a*/i
+
+/([abc])*d/i
+ ABBBCD
+
+/([abc])*bcd/i
+ ABCD
+
+/a|b|c|d|e/i
+ E
+
+/(a|b|c|d|e)f/i
+ EF
+
+/abcd*efg/i
+ ABCDEFG
+
+/ab*/i
+ XABYABBBZ
+ XAYABBBZ
+
+/(ab|cd)e/i
+ ABCDE
+
+/[abhgefdc]ij/i
+ HIJ
+
+/^(ab|cd)e/i
+\= Expect no match
+ ABCDE
+
+/(abc|)ef/i
+ ABCDEF
+
+/(a|b)c*d/i
+ ABCD
+
+/(ab|ab*)bc/i
+ ABC
+
+/a([bc]*)c*/i
+ ABC
+
+/a([bc]*)(c*d)/i
+ ABCD
+
+/a([bc]+)(c*d)/i
+ ABCD
+
+/a([bc]*)(c+d)/i
+ ABCD
+
+/a[bcd]*dcdcde/i
+ ADCDCDE
+
+/a[bcd]+dcdcde/i
+
+/(ab|a)b*c/i
+ ABC
+
+/((a)(b)c)(d)/i
+ ABCD
+
+/[a-zA-Z_][a-zA-Z0-9_]*/i
+ ALPHA
+
+/^a(bc+|b[eh])g|.h$/i
+ ABH
+
+/(bc+d$|ef*g.|h?i(j|k))/i
+ EFFGZ
+ IJ
+ REFFGZ
+\= Expect no match
+ ADCDCDE
+ EFFG
+ BCDD
+
+/((((((((((a))))))))))/i
+ A
+
+/(((((((((a)))))))))/i
+ A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
+ A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
+ C
+
+/multiple words of text/i
+\= Expect no match
+ AA
+ UH-UH
+
+/multiple words/i
+ MULTIPLE WORDS, YEAH
+
+/(.*)c(.*)/i
+ ABCDE
+
+/\((.*), (.*)\)/i
+ (A, B)
+
+/[k]/i
+
+/abcd/i
+ ABCD
+
+/a(bc)d/i
+ ABCD
+
+/a[-]?c/i
+ AC
+
+/a(?!b)./
+ abad
+
+/a(?=d)./
+ abad
+
+/a(?=c|d)./
+ abad
+
+/a(?:b|c|d)(.)/
+ ace
+
+/a(?:b|c|d)*(.)/
+ ace
+
+/a(?:b|c|d)+?(.)/
+ ace
+ acdbcdbe
+
+/a(?:b|c|d)+(.)/
+ acdbcdbe
+
+/a(?:b|c|d){2}(.)/
+ acdbcdbe
+
+/a(?:b|c|d){4,5}(.)/
+ acdbcdbe
+
+/a(?:b|c|d){4,5}?(.)/
+ acdbcdbe
+
+/((foo)|(bar))*/
+ foobar
+
+/a(?:b|c|d){6,7}(.)/
+ acdbcdbe
+
+/a(?:b|c|d){6,7}?(.)/
+ acdbcdbe
+
+/a(?:b|c|d){5,6}(.)/
+ acdbcdbe
+
+/a(?:b|c|d){5,6}?(.)/
+ acdbcdbe
+
+/a(?:b|c|d){5,7}(.)/
+ acdbcdbe
+
+/a(?:b|c|d){5,7}?(.)/
+ acdbcdbe
+
+/a(?:b|(c|e){1,2}?|d)+?(.)/
+ ace
+
+/^(.+)?B/
+ AB
+
+/^([^a-z])|(\^)$/
+ .
+
+/^[<>]&/
+ <&OUT
+
+/(?:(f)(o)(o)|(b)(a)(r))*/
+ foobar
+
+/(?<=a)b/
+ ab
+\= Expect no match
+ cb
+ b
+
+/(?<!c)b/
+ ab
+ b
+ b
+
+/(?:..)*a/
+ aba
+
+/(?:..)*?a/
+ aba
+
+/^(){3,5}/
+ abc
+
+/^(a+)*ax/
+ aax
+
+/^((a|b)+)*ax/
+ aax
+
+/^((a|bc)+)*ax/
+ aax
+
+/(a|x)*ab/
+ cab
+
+/(a)*ab/
+ cab
+
+/(?:(?i)a)b/
+ ab
+
+/((?i)a)b/
+ ab
+
+/(?:(?i)a)b/
+ Ab
+
+/((?i)a)b/
+ Ab
+
+/(?:(?i)a)b/
+\= Expect no match
+ cb
+ aB
+
+/((?i)a)b/
+
+/(?i:a)b/
+ ab
+
+/((?i:a))b/
+ ab
+
+/(?i:a)b/
+ Ab
+
+/((?i:a))b/
+ Ab
+
+/(?i:a)b/
+\= Expect no match
+ aB
+ aB
+
+/((?i:a))b/
+
+/(?:(?-i)a)b/i
+ ab
+
+/((?-i)a)b/i
+ ab
+
+/(?:(?-i)a)b/i
+ aB
+
+/((?-i)a)b/i
+ aB
+
+/(?:(?-i)a)b/i
+ aB
+\= Expect no match
+ Ab
+
+/((?-i)a)b/i
+
+/(?:(?-i)a)b/i
+ aB
+
+/((?-i)a)b/i
+ aB
+
+/(?:(?-i)a)b/i
+\= Expect no match
+ Ab
+ AB
+
+/((?-i)a)b/i
+
+/(?-i:a)b/i
+ ab
+
+/((?-i:a))b/i
+ ab
+
+/(?-i:a)b/i
+ aB
+
+/((?-i:a))b/i
+ aB
+
+/(?-i:a)b/i
+\= Expect no match
+ AB
+ Ab
+
+/((?-i:a))b/i
+
+/(?-i:a)b/i
+ aB
+
+/((?-i:a))b/i
+ aB
+
+/(?-i:a)b/i
+\= Expect no match
+ Ab
+ AB
+
+/((?-i:a))b/i
+
+/((?-i:a.))b/i
+\= Expect no match
+ AB
+ a\nB
+
+/((?s-i:a.))b/i
+ a\nB
+
+/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
+ cabbbb
+
+/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
+ caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+
+/foo\w*\d{4}baz/
+ foobar1234baz
+
+/x(~~)*(?:(?:F)?)?/
+ x~~
+
+/^a(?#xxx){3}c/
+ aaac
+
+/^a (?#xxx) (?#yyy) {3}c/x
+ aaac
+
+/(?<![cd])b/
+\= Expect no match
+ B\nB
+ dbcb
+
+/(?<![cd])[ab]/
+ dbaacb
+
+/(?<!(c|d))b/
+
+/(?<!(c|d))[ab]/
+ dbaacb
+
+/(?<!cd)[ab]/
+ cdaccb
+
+/^(?:a?b?)*$/
+\= Expect no match
+ dbcb
+ a--
+
+/((?s)^a(.))((?m)^b$)/
+ a\nb\nc\n
+
+/((?m)^b$)/
+ a\nb\nc\n
+
+/(?m)^b/
+ a\nb\n
+
+/(?m)^(b)/
+ a\nb\n
+
+/((?m)^b)/
+ a\nb\n
+
+/\n((?m)^b)/
+ a\nb\n
+
+/((?s).)c(?!.)/
+ a\nb\nc\n
+ a\nb\nc\n
+
+/((?s)b.)c(?!.)/
+ a\nb\nc\n
+ a\nb\nc\n
+
+/^b/
+
+/()^b/
+\= Expect no match
+ a\nb\nc\n
+ a\nb\nc\n
+
+/((?m)^b)/
+ a\nb\nc\n
+
+/(?(?!a)a|b)/
+
+/(?(?!a)b|a)/
+ a
+
+/(?(?=a)b|a)/
+\= Expect no match
+ a
+ a
+
+/(?(?=a)a|b)/
+ a
+
+/(\w+:)+/
+ one:
+
+/$(?<=^(a))/
+ a
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ xy:z:::abcd
+
+/^[^bcd]*(c+)/
+ aexycd
+
+/(a*)b+/
+ caab
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ xy:z:::abcd
+\= Expect no match
+ abcd:
+ abcd:
+
+/^[^bcd]*(c+)/
+ aexycd
+
+/(>a+)ab/
+
+/(?>a+)b/
+ aaab
+
+/([[:]+)/
+ a:[b]:
+
+/([[=]+)/
+ a=[b]=
+
+/([[.]+)/
+ a.[b].
+
+/((?>a+)b)/
+ aaab
+
+/(?>(a+))b/
+ aaab
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+
+/a\Z/
+\= Expect no match
+ aaab
+ a\nb\n
+
+/b\Z/
+ a\nb\n
+
+/b\z/
+
+/b\Z/
+ a\nb
+
+/b\z/
+ a\nb
+
+/(?>.*)(?<=(abcd|wxyz))/
+ alphabetabcd
+ endingwxyz
+\= Expect no match
+ a rather long string that doesn't end with one of them
+
+/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
+ 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
+
+/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
+
+/(?<=\d{3}(?!999))foo/
+ 999foo
+ 123999foo
+\= Expect no match
+ 123abcfoo
+
+/(?<=(?!...999)\d{3})foo/
+ 999foo
+ 123999foo
+\= Expect no match
+ 123abcfoo
+
+/(?<=\d{3}(?!999)...)foo/
+ 123abcfoo
+ 123456foo
+\= Expect no match
+ 123999foo
+
+/(?<=\d{3}...)(?<!999)foo/
+ 123abcfoo
+ 123456foo
+\= Expect no match
+ 123999foo
+
+/((Z)+|A)*/
+ ZABCDEFG
+
+/(Z()|A)*/
+ ZABCDEFG
+
+/(Z(())|A)*/
+ ZABCDEFG
+
+/((?>Z)+|A)*/
+ ZABCDEFG
+
+/((?>)+|A)*/
+ ZABCDEFG
+
+/a*/g
+ abbab
+
+/[[:space:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+
+/[[:blank:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+
+/[\s]+/
+ > \x09\x0a\x0c\x0d\x0b<
+
+/\s+/
+ > \x09\x0a\x0c\x0d\x0b<
+
+/a\vb/x
+ ab
+
+/(?!\A)x/m
+ a\nxb\n
+
+/(?!^)x/m
+\= Expect no match
+ a\nxb\n
+
+/abc\Qabc\Eabc/
+ abcabcabc
+
+/abc\Q(*+|\Eabc/
+ abc(*+|abc
+
+/ abc\Q abc\Eabc/x
+ abc abcabc
+\= Expect no match
+ abcabcabc
+
+/abc#comment
+ \Q#not comment
+ literal\E/x
+ abc#not comment\n literal
+
+/abc#comment
+ \Q#not comment
+ literal/x
+ abc#not comment\n literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment
+ /x
+ abc#not comment\n literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment/x
+ abc#not comment\n literal
+
+/\Qabc\$xyz\E/
+ abc\\\$xyz
+
+/\Qabc\E\$\Qxyz\E/
+ abc\$xyz
+
+/\Gabc/
+ abc
+\= Expect no match
+ xyzabc
+
+/\Gabc./g
+ abc1abc2xyzabc3
+
+/abc./g
+ abc1abc2xyzabc3
+
+/a(?x: b c )d/
+ XabcdY
+\= Expect no match
+ Xa b c d Y
+
+/((?x)x y z | a b c)/
+ XabcY
+ AxyzB
+
+/(?i)AB(?-i)C/
+ XabCY
+\= Expect no match
+ XabcY
+
+/((?i)AB(?-i)C|D)E/
+ abCE
+ DE
+\= Expect no match
+ abcE
+ abCe
+ dE
+ De
+
+/[z\Qa-d]\E]/
+ z
+ a
+ -
+ d
+ ]
+\= Expect no match
+ b
+
+/(a+)*b/
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/(?i)reg(?:ul(?:[aä]|ae)r|ex)/
+ REGular
+ regulaer
+ Regex
+ regulär
+
+/Åæåä[à-ÿÀ-ß]+/
+ Åæåäà
+ Åæåäÿ
+ ÅæåäÀ
+ Åæåäß
+
+/(?<=Z)X./
+ \x84XAZXB
+
+/^(?(2)a|(1)(2))+$/
+ 123a
+
+/(?<=a|bbbb)c/
+ ac
+ bbbbc
+
+/line\nbreak/
+ this is a line\nbreak
+ line one\nthis is a line\nbreak in the second line
+
+/line\nbreak/firstline
+ this is a line\nbreak
+\= Expect no match
+ line one\nthis is a line\nbreak in the second line
+
+/line\nbreak/m,firstline
+ this is a line\nbreak
+\= Expect no match
+ line one\nthis is a line\nbreak in the second line
+
+/1234/
+ 123\=ps
+\= Expect no match
+ a4\=ps,dfa_restart
+
+/1234/
+ 123\=ps
+ 4\=ps,dfa_restart
+
+/^/gm
+ a\nb\nc\n
+ \
+
+/(?<=C\n)^/gm
+ A\nC\nC\n
+
+/(?s)A?B/
+ AB
+ aB
+
+/(?s)A*B/
+ AB
+ aB
+
+/(?m)A?B/
+ AB
+ aB
+
+/(?m)A*B/
+ AB
+ aB
+
+/Content-Type\x3A[^\r\n]{6,}/
+ Content-Type:xxxxxyyy
+
+/Content-Type\x3A[^\r\n]{6,}z/
+ Content-Type:xxxxxyyyz
+
+/Content-Type\x3A[^a]{6,}/
+ Content-Type:xxxyyy
+
+/Content-Type\x3A[^a]{6,}z/
+ Content-Type:xxxyyyz
+
+/^abc/Im,newline=lf
+ xyz\nabc
+ xyz\r\nabc
+\= Expect no match
+ xyz\rabc
+ xyzabc\r
+ xyzabc\rpqr
+ xyzabc\r\n
+ xyzabc\r\npqr
+
+/^abc/Im,newline=crlf
+ xyz\r\nabclf>
+\= Expect no match
+ xyz\nabclf
+ xyz\rabclf
+
+/^abc/Im,newline=cr
+ xyz\rabc
+\= Expect no match
+ xyz\nabc
+ xyz\r\nabc
+
+/.*/I,newline=lf
+ abc\ndef
+ abc\rdef
+ abc\r\ndef
+
+/.*/I,newline=cr
+ abc\ndef
+ abc\rdef
+ abc\r\ndef
+
+/.*/I,newline=crlf
+ abc\ndef
+ abc\rdef
+ abc\r\ndef
+
+/\w+(.)(.)?def/Is
+ abc\ndef
+ abc\rdef
+ abc\r\ndef
+
+/\w+(.)(.)?def/s
+ abc\ndef
+ abc\rdef
+ abc\r\ndef
+
+/^\w+=.*(\\\n.*)*/
+ abc=xyz\\\npqr
+
+/^(a()*)*/
+ aaaa
+
+/^(?:a(?:(?:))*)*/
+ aaaa
+
+/^(a()+)+/
+ aaaa
+
+/^(?:a(?:(?:))+)+/
+ aaaa
+
+/(a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/(?>a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/(?:a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+\= Expect no match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/^a.b/newline=lf
+ a\rb
+\= Expect no match
+ a\nb
+
+/^a.b/newline=cr
+ a\nb
+\= Expect no match
+ a\rb
+
+/^a.b/newline=anycrlf
+ a\x85b
+\= Expect no match
+ a\rb
+
+/^a.b/newline=any
+\= Expect no match
+ a\nb
+ a\rb
+ a\x85b
+
+/^abc./gmx,newline=any
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 JUNK
+
+/abc.$/gmx,newline=any
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc9
+
+/^a\Rb/bsr=unicode
+ a\nb
+ a\rb
+ a\r\nb
+ a\x0bb
+ a\x0cb
+ a\x85b
+\= Expect no match
+ a\n\rb
+
+/^a\R*b/bsr=unicode
+ ab
+ a\nb
+ a\rb
+ a\r\nb
+ a\x0bb
+ a\x0cb
+ a\x85b
+ a\n\rb
+ a\n\r\x85\x0cb
+
+/^a\R+b/bsr=unicode
+ a\nb
+ a\rb
+ a\r\nb
+ a\x0bb
+ a\x0cb
+ a\x85b
+ a\n\rb
+ a\n\r\x85\x0cb
+\= Expect no match
+ ab
+
+/^a\R{1,3}b/bsr=unicode
+ a\nb
+ a\n\rb
+ a\n\r\x85b
+ a\r\n\r\nb
+ a\r\n\r\n\r\nb
+ a\n\r\n\rb
+ a\n\n\r\nb
+\= Expect no match
+ a\n\n\n\rb
+ a\r
+
+/.+foo/
+ afoo
+\= Expect no match
+ \r\nfoo
+ \nfoo
+
+/.+foo/newline=crlf
+ afoo
+ \nfoo
+\= Expect no match
+ \r\nfoo
+
+/.+foo/newline=any
+ afoo
+\= Expect no match
+ \nfoo
+ \r\nfoo
+
+/.+foo/s
+ afoo
+ \r\nfoo
+ \nfoo
+
+/^$/gm,newline=any
+ abc\r\rxyz
+ abc\n\rxyz
+\= Expect no match
+ abc\r\nxyz
+
+/^X/m
+ XABC
+\= Expect no match
+ XABC\=notbol
+
+/(?m)^$/g,newline=any,aftertext
+ abc\r\n\r\n
+
+/(?m)^$|^\r\n/g,newline=any,aftertext
+ abc\r\n\r\n
+
+/(?m)$/g,newline=any,aftertext
+ abc\r\n\r\n
+
+/(?|(abc)|(xyz))/
+ >abc<
+ >xyz<
+
+/(x)(?|(abc)|(xyz))(x)/
+ xabcx
+ xxyzx
+
+/(x)(?|(abc)(pqr)|(xyz))(x)/
+ xabcpqrx
+ xxyzx
+
+/(?|(abc)|(xyz))(?1)/
+ abcabc
+ xyzabc
+\= Expect no match
+ xyzxyz
+
+/\H\h\V\v/
+ X X\x0a
+ X\x09X\x0b
+\= Expect no match
+ \xa0 X\x0a
+
+/\H*\h+\V?\v{3,4}/
+ \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
+ \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
+ \x09\x20\xa0\x0a\x0b\x0c
+\= Expect no match
+ \x09\x20\xa0\x0a\x0b
+
+/\H{3,4}/
+ XY ABCDE
+ XY PQR ST
+
+/.\h{3,4}./
+ XY AB PQRS
+
+/\h*X\h?\H+Y\H?Z/
+ >XNNNYZ
+ > X NYQZ
+\= Expect no match
+ >XYZ
+ > X NY Z
+
+/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
+ >XY\x0aZ\x0aA\x0bNN\x0c
+ >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+
+/.+A/newline=crlf
+\= Expect no match
+ \r\nA
+
+/\nA/newline=crlf
+ \r\nA
+
+/[\r\n]A/newline=crlf
+ \r\nA
+
+/(\r|\n)A/newline=crlf
+ \r\nA
+
+/a\Rb/I,bsr=anycrlf
+ a\rb
+ a\nb
+ a\r\nb
+\= Expect no match
+ a\x85b
+ a\x0bb
+
+/a\Rb/I,bsr=unicode
+ a\rb
+ a\nb
+ a\r\nb
+ a\x85b
+ a\x0bb
+
+/a\R?b/I,bsr=anycrlf
+ a\rb
+ a\nb
+ a\r\nb
+\= Expect no match
+ a\x85b
+ a\x0bb
+
+/a\R?b/I,bsr=unicode
+ a\rb
+ a\nb
+ a\r\nb
+ a\x85b
+ a\x0bb
+
+/a\R{2,4}b/I,bsr=anycrlf
+ a\r\n\nb
+ a\n\r\rb
+ a\r\n\r\n\r\n\r\nb
+\= Expect no match
+ a\x0b\x0bb
+ a\x85\x85b
+
+/a\R{2,4}b/I,bsr=unicode
+ a\r\rb
+ a\n\n\nb
+ a\r\n\n\r\rb
+ a\x85\x85b
+ a\x0b\x0bb
+\= Expect no match
+ a\r\r\r\r\rb
+
+/a(?!)|\wbc/
+ abc
+
+/a[]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+
+/a[]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+
+/a[]*+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+\= Expect no match
+ ab
+
+/a[^]b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+ aXb
+ a\nb
+\= Expect no match
+ ab
+
+/a[^]+b/alt_bsux,allow_empty_class,match_unset_backref,dupnames
+ aXb
+ a\nX\nXb
+\= Expect no match
+ ab
+
+/X$/dollar_endonly
+ X
+\= Expect no match
+ X\n
+
+/X$/
+ X
+ X\n
+
+/xyz/auto_callout
+ xyz
+ abcxyz
+\= Expect no match
+ abc
+ abcxypqr
+
+/xyz/auto_callout,no_start_optimize
+ abcxyz
+\= Expect no match
+ abc
+ abcxypqr
+
+/(*NO_START_OPT)xyz/auto_callout
+ abcxyz
+
+/(?C)ab/
+ ab
+ ab\=callout_none
+
+/ab/auto_callout
+ ab
+ ab\=callout_none
+
+/^"((?(?=[a])[^"])|b)*"$/auto_callout
+ "ab"
+ "ab"\=callout_none
+
+/\d+X|9+Y/
+ ++++123999\=ps
+ ++++123999Y\=ps
+
+/Z(*F)/
+\= Expect no match
+ Z\=ps
+ ZA\=ps
+
+/Z(?!)/
+\= Expect no match
+ Z\=ps
+ ZA\=ps
+
+/dog(sbody)?/
+ dogs\=ps
+ dogs\=ph
+
+/dog(sbody)??/
+ dogs\=ps
+ dogs\=ph
+
+/dog|dogsbody/
+ dogs\=ps
+ dogs\=ph
+
+/dogsbody|dog/
+ dogs\=ps
+ dogs\=ph
+
+/Z(*F)Q|ZXY/
+ Z\=ps
+\= Expect no match
+ ZA\=ps
+ X\=ps
+
+/\bthe cat\b/
+ the cat\=ps
+ the cat\=ph
+
+/dog(sbody)?/
+ dogs\=ps
+ body\=dfa_restart
+
+/dog(sbody)?/
+ dogs\=ph
+ body\=dfa_restart
+
+/abc/
+ abc\=ps
+ abc\=ph
+
+/abc\K123/
+ xyzabc123pqr
+
+/(?<=abc)123/
+ xyzabc123pqr
+ xyzabc12\=ps
+ xyzabc12\=ph
+
+/\babc\b/
+ +++abc+++
+ +++ab\=ps
+ +++ab\=ph
+
+/(?=C)/g,aftertext
+ ABCDECBA
+
+/(abc|def|xyz)/I
+ terhjk;abcdaadsfe
+ the quick xyz brown fox
+\= Expect no match
+ thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
+
+/(abc|def|xyz)/I,no_start_optimize
+ terhjk;abcdaadsfe
+ the quick xyz brown fox
+\= Expect no match
+ thejk;adlfj aenjl;fda asdfasd ehj;kjxyasiupd
+
+/abcd*/aftertext
+ xxxxabcd\=ps
+ xxxxabcd\=ph
+ dddxxx\=dfa_restart
+ xxxxabcd\=ph
+ xxx\=dfa_restart
+
+/abcd*/i
+ xxxxabcd\=ps
+ xxxxabcd\=ph
+ XXXXABCD\=ps
+ XXXXABCD\=ph
+
+/abc\d*/
+ xxxxabc1\=ps
+ xxxxabc1\=ph
+
+/abc[de]*/
+ xxxxabcde\=ps
+ xxxxabcde\=ph
+
+/(?:(?1)|B)(A(*F)|C)/
+ ABCD
+ CCD
+\= Expect no match
+ CAD
+
+/^(?:(?1)|B)(A(*F)|C)/
+ CCD
+ BCD
+\= Expect no match
+ ABCD
+ CAD
+ BAD
+
+/^(?!a(*SKIP)b)/
+ ac
+
+/^(?=a(*SKIP)b|ac)/
+ ac
+
+/^(?=a(*THEN)b|ac)/
+ ac
+
+/^(?=a(*PRUNE)b)/
+ ab
+
+/^(?(?!a(*SKIP)b))/
+ ac
+
+/(?<=abc)def/
+ abc\=ph
+
+/abc$/
+ abc
+ abc\=ps
+ abc\=ph
+
+/abc$/m
+ abc
+ abc\n
+ abc\=ph
+ abc\n\=ph
+ abc\=ps
+ abc\n\=ps
+
+/abc\z/
+ abc
+ abc\=ps
+ abc\=ph
+
+/abc\Z/
+ abc
+ abc\=ps
+ abc\=ph
+
+/abc\b/
+ abc
+ abc\=ps
+ abc\=ph
+
+/abc\B/
+ abc\=ps
+ abc\=ph
+\= Expect no match
+ abc
+
+/.+/
+ abc\=offset=0
+ abc\=offset=1
+ abc\=offset=2
+\= Bad offsets
+ abc\=offset=4
+ abc\=offset=-4
+\= Expect no match
+ abc\=offset=3
+
+/^(?:a)++\w/
+ aaaab
+\= Expect no match
+ aaaa
+ bbb
+
+/^(?:aa|(?:a)++\w)/
+ aaaab
+ aaaa
+\= Expect no match
+ bbb
+
+/^(?:a)*+\w/
+ aaaab
+ bbb
+\= Expect no match
+ aaaa
+
+/^(a)++\w/
+ aaaab
+\= Expect no match
+ aaaa
+ bbb
+
+/^(a|)++\w/
+ aaaab
+\= Expect no match
+ aaaa
+ bbb
+
+/(?=abc){3}abc/aftertext
+ abcabcabc
+\= Expect no match
+ xyz
+
+/(?=abc)+abc/aftertext
+ abcabcabc
+\= Expect no match
+ xyz
+
+/(?=abc)++abc/aftertext
+ abcabcabc
+\= Expect no match
+ xyz
+
+/(?=abc){0}xyz/
+ xyz
+
+/(?=abc){1}xyz/
+\= Expect no match
+ xyz
+
+/(?=(a))?./
+ ab
+ bc
+
+/(?=(a))??./
+ ab
+ bc
+
+/^(?=(a)){0}b(?1)/
+ backgammon
+
+/^(?=(?1))?[az]([abc])d/
+ abd
+ zcdxx
+
+/^(?!a){0}\w+/
+ aaaaa
+
+/(?<=(abc))?xyz/
+ abcxyz
+ pqrxyz
+
+/((?2))((?1))/
+ abc
+
+/(?(R)a+|(?R)b)/
+ aaaabcde
+
+/(?(R)a+|((?R))b)/
+ aaaabcde
+
+/((?(R)a+|(?1)b))/
+ aaaabcde
+
+/((?(R2)a+|(?1)b))()/
+ aaaabcde
+
+/(?(R)a*(?1)|((?R))b)/
+ aaaabcde
+
+/(a+)/no_auto_possess
+ aaaa\=ovector=3
+ aaaa\=ovector=4
+
+/^\R/
+ \r\=ps
+ \r\=ph
+
+/^\R{2,3}x/
+ \r\=ps
+ \r\=ph
+ \r\r\=ps
+ \r\r\=ph
+ \r\r\r\=ps
+ \r\r\r\=ph
+ \r\rx
+ \r\r\rx
+
+/^\R{2,3}?x/
+ \r\=ps
+ \r\=ph
+ \r\r\=ps
+ \r\r\=ph
+ \r\r\r\=ps
+ \r\r\r\=ph
+ \r\rx
+ \r\r\rx
+
+/^\R?x/
+ \r\=ps
+ \r\=ph
+ x
+ \rx
+
+/^\R+x/
+ \r\=ps
+ \r\=ph
+ \r\n\=ps
+ \r\n\=ph
+ \rx
+
+/^a$/newline=crlf
+ a\r\=ps
+ a\r\=ph
+
+/^a$/m,newline=crlf
+ a\r\=ps
+ a\r\=ph
+
+/^(a$|a\r)/newline=crlf
+ a\r\=ps
+ a\r\=ph
+
+/^(a$|a\r)/m,newline=crlf
+ a\r\=ps
+ a\r\=ph
+
+/./newline=crlf
+ \r\=ps
+ \r\=ph
+
+/.{2,3}/newline=crlf
+ \r\=ps
+ \r\=ph
+ \r\r\=ps
+ \r\r\=ph
+ \r\r\r\=ps
+ \r\r\r\=ph
+
+/.{2,3}?/newline=crlf
+ \r\=ps
+ \r\=ph
+ \r\r\=ps
+ \r\r\=ph
+ \r\r\r\=ps
+ \r\r\r\=ph
+
+# Test simple validity check for restarts
+
+/abcdef/
+ abc\=dfa_restart
+
+/<H((?(?!<H|F>)(.)|(?R))++)*F>/
+ text <H more text <H texting more hexA0-"\xA0" hex above 7F-"\xBC" F> text xxxxx <H text F> text F> text2 <H text sample F> more text.
+
+/^(?>.{4})abc|^\w\w.xabcd/
+ xxxxabcd
+ xx\xa0xabcd
+
+/^(.{4}){2}+abc|^\w\w.x\w\w\w\wabcd/
+ xxxxxxxxabcd
+ xx\xa0xxxxxabcd
+
+/abcd/
+ abcd\=ovector=0
+
+# These tests show up auto-possessification
+
+/[ab]*/
+ aaaa
+
+/[ab]*?/
+ aaaa
+
+/[ab]?/
+ aaaa
+
+/[ab]??/
+ aaaa
+
+/[ab]+/
+ aaaa
+
+/[ab]+?/
+ aaaa
+
+/[ab]{2,3}/
+ aaaa
+
+/[ab]{2,3}?/
+ aaaa
+
+/[ab]{2,}/
+ aaaa
+
+/[ab]{2,}?/
+ aaaa
+
+'\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++'
+ NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
+
+'\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++'
+ NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED
+
+/abc(?=xyz)/allusedtext
+ abcxyzpqr
+ abcxyzpqr\=aftertext
+
+/(?<=pqr)abc(?=xyz)/allusedtext
+ xyzpqrabcxyzpqr
+ xyzpqrabcxyzpqr\=aftertext
+
+/a\b/
+ a.\=allusedtext
+ a\=allusedtext
+
+/abc(?=abcde)(?=ab)/allusedtext
+ abcabcdefg
+
+/a*?b*?/
+ ab
+
+/(*NOTEMPTY)a*?b*?/
+ ab
+ ba
+ cb
+
+/(*NOTEMPTY_ATSTART)a*?b*?/aftertext
+ ab
+ cdab
+
+/(a)(b)|(c)/
+ XcX\=ovector=2,get=1,get=2,get=3,get=4,getall
+
+/(?<A>aa)/
+ aa\=get=A
+ aa\=copy=A
+
+/a+/no_auto_possess
+ a\=ovector=2,get=1,get=2,getall
+ aaa\=ovector=2,get=1,get=2,getall
+
+/a(b)c(d)/
+ abc\=ph,copy=0,copy=1,getall
+
+/ab(?C" any text with spaces ")cde/B
+ abcde
+ 12abcde
+
+/^a(b)c(?C1)def/
+ abcdef
+
+/^a(b)c(?C"AB")def/
+ abcdef
+
+/^a(b)c(?C1)def/
+ abcdef\=callout_capture
+
+/^a(b)c(?C{AB})def/B
+ abcdef\=callout_capture
+
+/^(?(?C25)(?=abc)abcd|xyz)/B
+ abcdefg
+ xyz123
+
+/^(?(?C$abc$)(?=abc)abcd|xyz)/B
+ abcdefg
+ xyz123
+
+/^ab(?C'first')cd(?C"second")ef/
+ abcdefg
+
+/(?:a(?C`code`)){3}X/
+ aaaXY
+
+# Binary zero in callout string
+/"a(?C'x" 00 "z')b"/hex
+ abcdefgh
+
+/(?(?!)a|b)/
+ bbb
+\= Expect no match
+ aaa
+
+/^/gm
+ \n\n\n
+
+/^/gm,alt_circumflex
+ \n\n\n
+
+/abc/use_offset_limit
+ 1234abcde\=offset_limit=100
+ 1234abcde\=offset_limit=9
+ 1234abcde\=offset_limit=4
+ 1234abcde\=offset_limit=4,offset=4
+\= Expect no match
+ 1234abcde\=offset_limit=4,offset=5
+ 1234abcde\=offset_limit=3
+
+/(?<=abc)/use_offset_limit
+ 1234abc\=offset_limit=7
+\= Expect no match
+ 1234abc\=offset_limit=6
+
+/abcd/null_context
+ abcd\=null_context
+
+/()()a+/no_auto_possess
+ aaa\=allcaptures
+ a\=allcaptures
+
+/(*LIMIT_DEPTH=100)^((.)(?1)|.)$/
+\= 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]
+
+/(*LIMIT_HEAP=0)^((.)(?1)|.)$/
+\= Expect heap limit exceeded
+ a[00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]
+
+/(*LIMIT_HEAP=50000)^((.)(?1)|.)$/
+\= 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]
+
+/(02-)?[0-9]{3}-[0-9]{3}/
+ 02-123-123
+
+/^(a(?2))(b)(?1)/
+ abbab\=find_limits
+
+/abc/endanchored
+ xyzabc
+\= Expect no match
+ xyzabcdef
+\= Expect error
+ xyzabc\=ph
+
+/abc/
+ xyzabc\=endanchored
+\= Expect no match
+ xyzabcdef\=endanchored
+\= Expect error
+ xyzabc\=ps,endanchored
+
+/abc|bcd/endanchored
+ xyzabcd
+\= Expect no match
+ xyzabcdef
+
+/(*NUL)^.*/
+ a\nb\x00ccc
+
+/(*NUL)^.*/s
+ a\nb\x00ccc
+
+/^x/m,newline=nul
+ ab\x00xy
+
+/'#comment' 0d 0a 00 '^x\' 0a 'y'/x,newline=nul,hex
+ x\nyz
+
+/(*NUL)^X\NY/
+ X\nY
+ X\rY
+\= Expect no match
+ X\x00Y
+
+/(?<=abc|)/
+ abcde\=aftertext
+
+/(?<=|abc)/
+ abcde\=aftertext
+
+/(?<=abc|)/endanchored
+ abcde\=aftertext
+
+/(?<=|abc)/endanchored
+ abcde\=aftertext
+
+/(*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]?););
+
+/\n/firstline
+ xyz\nabc
+
+/\nabc/firstline
+ xyz\nabc
+
+/\x{0a}abc/firstline,newline=crlf
+\= Expect no match
+ xyz\r\nabc
+
+/[abc]/firstline
+\= Expect no match
+ \na
+
+# End of testinput6
projects / ossec-hids.git / blobdiff