X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;ds=sidebyside;f=src%2Fexternal%2Fpcre2-10.32%2Ftestdata%2Ftestoutput1;fp=src%2Fexternal%2Fpcre2-10.32%2Ftestdata%2Ftestoutput1;h=77b9ff00ccfaf7a304fb41d41ebbf83d9277f6bb;hb=3f728675941dc69d4e544d3a880a56240a6e394a;hp=0000000000000000000000000000000000000000;hpb=927951d1c1ad45ba9e7325f07d996154a91c911b;p=ossec-hids.git diff --git a/src/external/pcre2-10.32/testdata/testoutput1 b/src/external/pcre2-10.32/testdata/testoutput1 new file mode 100644 index 0000000..77b9ff0 --- /dev/null +++ b/src/external/pcre2-10.32/testdata/testoutput1 @@ -0,0 +1,9932 @@ +# This set of tests is for features that are compatible with all versions of +# Perl >= 5.10, in non-UTF mode. It should run clean for the 8-bit, 16-bit, and +# 32-bit PCRE libraries, and also using the perltest.pl script. + +#forbid_utf +#newline_default lf any anycrlf +#perltest + +/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 + 1: abc + abcabczz + 0: abcabczz + 1: abc +\= Expect no match + zz +No match + abcabcabczz +No match + >>abczz +No match + +/^(b+?|a){1,2}?c/ + bc + 0: bc + 1: b + bbc + 0: bbc + 1: b + bbbc + 0: bbbc + 1: bb + bac + 0: bac + 1: a + bbac + 0: bbac + 1: a + aac + 0: aac + 1: a + abbbbbbbbbbbc + 0: abbbbbbbbbbbc + 1: bbbbbbbbbbb + bbbbbbbbbbbac + 0: bbbbbbbbbbbac + 1: a +\= Expect no match + aaac +No match + abbbbbbbbbbbac +No match + +/^(b+|a){1,2}c/ + bc + 0: bc + 1: b + bbc + 0: bbc + 1: bb + bbbc + 0: bbbc + 1: bbb + bac + 0: bac + 1: a + bbac + 0: bbac + 1: a + aac + 0: aac + 1: a + abbbbbbbbbbbc + 0: abbbbbbbbbbbc + 1: bbbbbbbbbbb + bbbbbbbbbbbac + 0: bbbbbbbbbbbac + 1: a +\= Expect no match + aaac +No match + abbbbbbbbbbbac +No match + +/^(ba|b*){1,2}?bc/ + babc + 0: babc + 1: ba + bbabc + 0: bbabc + 1: ba + bababc + 0: bababc + 1: ba +\= Expect no match + bababbc +No match + babababc +No match + +/^\ca\cA\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 + +/^\/ +  + 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]$/ + x123 + 0: x123 + x1234 + 0: x1234 + xx123 + 0: xx123 + 123456 + 0: 123456 +\= Expect no match + 123 +No match + +/^.+?[0-9][0-9][0-9]$/ + x123 + 0: x123 + x1234 + 0: x1234 + xx123 + 0: xx123 + 123456 + 0: 123456 +\= Expect no match + 123 +No match + +/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/ + abc!pqr=apquxz.ixr.zzz.ac.uk + 0: abc!pqr=apquxz.ixr.zzz.ac.uk + 1: abc + 2: pqr +\= Expect no match + !pqr=apquxz.ixr.zzz.ac.uk +No match + abc!=apquxz.ixr.zzz.ac.uk +No match + abc!pqr=apquxz:ixr.zzz.ac.uk +No match + abc!pqr=apquxz.ixr.zzz.ac.ukk +No match + +/:/ + Well, we need a colon: somewhere + 0: : +\= Expect no match + Fail without a colon +No match + +/([\da-f:]+)$/i + 0abc + 0: 0abc + 1: 0abc + abc + 0: abc + 1: abc + fed + 0: fed + 1: fed + E + 0: E + 1: E + :: + 0: :: + 1: :: + 5f03:12C0::932e + 0: 5f03:12C0::932e + 1: 5f03:12C0::932e + fed def + 0: def + 1: def + Any old stuff + 0: ff + 1: 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 + 1: 1 + 2: 2 + 3: 3 + A.12.123.0 + 0: A.12.123.0 + 1: 12 + 2: 123 + 3: 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*$/ + 1 IN SOA non-sp1 non-sp2( + 0: 1 IN SOA non-sp1 non-sp2( + 1: 1 + 2: non-sp1 + 3: non-sp2 + 1 IN SOA non-sp1 non-sp2 ( + 0: 1 IN SOA non-sp1 non-sp2 ( + 1: 1 + 2: non-sp1 + 3: non-sp2 +\= Expect no match + 1IN SOA non-sp1 non-sp2( +No match + +/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/ + a. + 0: a. + Z. + 0: Z. + 2. + 0: 2. + ab-c.pq-r. + 0: ab-c.pq-r. + 1: .pq-r + sxk.zzz.ac.uk. + 0: sxk.zzz.ac.uk. + 1: .uk + x-.y-. + 0: x-.y-. + 1: .y- +\= Expect no match + -abc.peq. +No match + +/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/ + *.a + 0: *.a + *.b0-a + 0: *.b0-a + 1: 0-a + *.c3-b.c + 0: *.c3-b.c + 1: 3-b + 2: .c + *.c-a.b-c + 0: *.c-a.b-c + 1: -a + 2: .b-c + 3: -c +\= Expect no match + *.0 +No match + *.a- +No match + *.a-b.c- +No match + *.c-a.0-c +No match + +/^(?=ab(de))(abd)(e)/ + abde + 0: abde + 1: de + 2: abd + 3: e + +/^(?!(ab)de|x)(abd)(f)/ + abdf + 0: abdf + 1: + 2: abd + 3: f + +/^(?=(ab(cd)))(ab)/ + abcd + 0: ab + 1: abcd + 2: cd + 3: ab + +/^[\da-f](\.[\da-f])*$/i + a.b.c.d + 0: a.b.c.d + 1: .d + A.B.C.D + 0: A.B.C.D + 1: .D + a.b.c.1.2.3.C + 0: a.b.c.1.2.3.C + 1: .C + +/^\".*\"\s*(;.*)?$/ + \"1234\" + 0: "1234" + \"abcd\" ; + 0: "abcd" ; + 1: ; + \"\" ; rhubarb + 0: "" ; rhubarb + 1: ; rhubarb +\= Expect no match + \"1234\" : things +No match + +/^$/ + \ + 0: +\= Expect no match + A non-empty line +No match + +/ ^ 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 + 1: abc + 2: bc + 3: c + 4: def + 5: ef + 6: f + 7: hij + 8: ij + 9: j +10: klm +11: lm +12: m + +/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/ + abcdefhijklm + 0: abcdefhijklm + 1: bc + 2: c + 3: ef + 4: f + 5: ij + 6: j + 7: lm + 8: m + +/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/ + a+ Z0+\x08\n\x1d\x12 + 0: a+ Z0+\x08\x0a\x1d\x12 + +/^[.^$|()*+?{,}]+/ + .^\$(*+)|{?,?} + 0: .^$(*+)|{?,?} + +/^a*\w/ + z + 0: z + az + 0: az + aaaz + 0: aaaz + a + 0: a + aa + 0: aa + aaaa + 0: aaaa + a+ + 0: a + aa+ + 0: aa + +/^a*?\w/ + z + 0: z + az + 0: a + aaaz + 0: a + a + 0: a + aa + 0: a + aaaa + 0: a + a+ + 0: a + aa+ + 0: a + +/^a+\w/ + az + 0: az + aaaz + 0: aaaz + aa + 0: aa + aaaa + 0: aaaa + aa+ + 0: aa + +/^a+?\w/ + az + 0: az + aaaz + 0: aa + aa + 0: aa + aaaa + 0: aa + aa+ + 0: aa + +/^\d{8}\w{2,}/ + 1234567890 + 0: 1234567890 + 12345678ab + 0: 12345678ab + 12345678__ + 0: 12345678__ +\= Expect no match + 1234567 +No match + +/^[aeiou\d]{4,5}$/ + 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: 1234 + aaaaa + 0: aaaa + 123456 + 0: 1234 + +/\A(abc|def)=(\1){2,3}\Z/ + abc=abcabc + 0: abc=abcabc + 1: abc + 2: abc + def=defdefdef + 0: def=defdefdef + 1: def + 2: def +\= Expect no match + abc=defdef +No match + +/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ + abcdefghijkcda2 + 0: abcdefghijkcda2 + 1: a + 2: b + 3: c + 4: d + 5: e + 6: f + 7: g + 8: h + 9: i +10: j +11: k +12: cd + abcdefghijkkkkcda2 + 0: abcdefghijkkkkcda2 + 1: a + 2: b + 3: c + 4: d + 5: e + 6: f + 7: g + 8: h + 9: i +10: j +11: k +12: cd + +/(cat(a(ract|tonic)|erpillar)) \1()2(3)/ + cataract cataract23 + 0: cataract cataract23 + 1: cataract + 2: aract + 3: ract + 4: + 5: 3 + catatonic catatonic23 + 0: catatonic catatonic23 + 1: catatonic + 2: atonic + 3: tonic + 4: + 5: 3 + caterpillar caterpillar23 + 0: caterpillar caterpillar23 + 1: caterpillar + 2: erpillar + 3: + 4: + 5: 3 + + +/^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 + 1: abcd + +/^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 + 1: Sep + From abcd Mon Sep 1 12:33:02 1997 + 0: From abcd Mon Sep 1 12:33 + 1: Sep +\= 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? + 1: lish see? + +/(?:(?!foo)...|^.{0,2})bar(.*)/ + foobar crowbar etc + 0: rowbar etc + 1: etc + barrel + 0: barrel + 1: rel + 2barrel + 0: 2barrel + 1: rel + A barrel + 0: A barrel + 1: rel + +/^(\D*)(?=\d)(?!123)/ + abc456 + 0: abc + 1: 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 + +/^(a)\1{2,3}(.)/ + aaab + 0: aaab + 1: a + 2: b + aaaab + 0: aaaab + 1: a + 2: b + aaaaab + 0: aaaaa + 1: a + 2: a + aaaaaab + 0: aaaaa + 1: a + 2: a + +/(?!^)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)/ + aabbbbb + 0: aabb + 1: b + +/^[ab]{1,3}?(ab*|b)/ + aabbbbb + 0: aabbbbb + 1: abbbbb + +/^[ab]{1,3}?(ab*?|b)/ + aabbbbb + 0: aa + 1: a + +/^[ab]{1,3}(ab*?|b)/ + aabbbbb + 0: aabb + 1: b + +/ (?: [\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 + 0: Alan Other + + 0: user@dom.ain + user\@dom.ain + 0: user@dom.ain + \"A. Other\" (a comment) + 0: "A. Other" (a comment) + A. Other (a comment) + 0: Other (a comment) + \"/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 + A missing angle @,;:".\\\[\]\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 + 0: Alan Other + + 0: user@dom.ain + user\@dom.ain + 0: user@dom.ain + \"A. Other\" (a comment) + 0: "A. Other" + A. Other (a comment) + 0: Other + \"/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 + A missing angle ?@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: .23 + 1.875000282 + 0: .875000282 + 1: .875 + 1.235 + 0: .235 + 1: .23 + +/(\.\d\d((?=0)|\d(?=\d)))/ + 1.230003938 + 0: .23 + 1: .23 + 2: + 1.875000282 + 0: .875 + 1: .875 + 2: 5 +\= 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 + 1: foo + 2: table + +/foo(.*)bar/ + The food is under the bar in the barn. + 0: food is under the bar in the bar + 1: d is under the bar in the + +/foo(.*?)bar/ + The food is under the bar in the barn. + 0: food is under the bar + 1: d is under the + +/(.*)(\d*)/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: 53147 + 2: + +/(.*)(\d+)/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: 5314 + 2: 7 + +/(.*?)(\d*)/ + I have 2 numbers: 53147 + 0: + 1: + 2: + +/(.*?)(\d+)/ + I have 2 numbers: 53147 + 0: I have 2 + 1: I have + 2: 2 + +/(.*)(\d+)$/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: 5314 + 2: 7 + +/(.*?)(\d+)$/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: + 2: 53147 + +/(.*)\b(\d+)$/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: + 2: 53147 + +/(.*\D)(\d+)$/ + I have 2 numbers: 53147 + 0: I have 2 numbers: 53147 + 1: I have 2 numbers: + 2: 53147 + +/^\D*(?!123)/ + ABC123 + 0: AB + +/^(\D*)(?=\d)(?!123)/ + ABC445 + 0: ABC + 1: 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: a + aab + 0: a + 1: a + +/^(a){0,2}/ + bcd + 0: + abc + 0: a + 1: a + aab + 0: aa + 1: a + +/^(a){0,3}/ + bcd + 0: + abc + 0: a + 1: a + aab + 0: aa + 1: a + aaa + 0: aaa + 1: a + +/^(a){0,}/ + bcd + 0: + abc + 0: a + 1: a + aab + 0: aa + 1: a + aaa + 0: aaa + 1: a + aaaaaaaa + 0: aaaaaaaa + 1: a + +/^(a){1,1}/ + abc + 0: a + 1: a + aab + 0: a + 1: a +\= Expect no match + bcd +No match + +/^(a){1,2}/ + abc + 0: a + 1: a + aab + 0: aa + 1: a +\= Expect no match + bcd +No match + +/^(a){1,3}/ + abc + 0: a + 1: a + aab + 0: aa + 1: a + aaa + 0: aaa + 1: a +\= Expect no match + bcd +No match + +/^(a){1,}/ + abc + 0: a + 1: a + aab + 0: aa + 1: a + aaa + 0: aaa + 1: a + aaaaaaaa + 0: aaaaaaaa + 1: 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 + +/.*$/ + borfle\nbib.gif\nno\n + 0: no + +/.*$/m + borfle\nbib.gif\nno\n + 0: borfle + +/.*$/s + borfle\nbib.gif\nno\n + 0: borfle\x0abib.gif\x0ano\x0a + +/.*$/ms + borfle\nbib.gif\nno\n + 0: borfle\x0abib.gif\x0ano\x0a + +/(.*X|^B)/ + abcde\n1234Xyz + 0: 1234X + 1: 1234X + BarFoo + 0: B + 1: B +\= Expect no match + abcde\nBar +No match + +/(.*X|^B)/m + abcde\n1234Xyz + 0: 1234X + 1: 1234X + BarFoo + 0: B + 1: B + abcde\nBar + 0: B + 1: B + +/(.*X|^B)/s + abcde\n1234Xyz + 0: abcde\x0a1234X + 1: abcde\x0a1234X + BarFoo + 0: B + 1: B +\= Expect no match + abcde\nBar +No match + +/(.*X|^B)/ms + abcde\n1234Xyz + 0: abcde\x0a1234X + 1: abcde\x0a1234X + BarFoo + 0: B + 1: B + abcde\nBar + 0: B + 1: B + +/(?s)(.*X|^B)/ + abcde\n1234Xyz + 0: abcde\x0a1234X + 1: abcde\x0a1234X + BarFoo + 0: B + 1: 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 + 1: c + +/^[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 + 1: + ab + 0: ab + 1: b + abbbb + 0: abbbb + 1: bbbb +\= 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" + 1: quick + \"the \\\"quick\\\" brown fox\" + 0: "the \"quick\" brown fox" + 1: brown fox + +/.*?/g,aftertext + abc + 0: + 0+ abc + 0: a + 0+ bc + 0: + 0+ bc + 0: b + 0+ c + 0: + 0+ c + 0: c + 0+ + 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: + +/]{0,})>]{0,})>([\d]{0,}\.)(.*)((
([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is + 43.Word Processor
(N-1286)Lega lstaff.comCA - Statewide + 0: 43.Word Processor
(N-1286)Lega lstaff.comCA - Statewide + 1: BGCOLOR='#DBE9E9' + 2: align=left valign=top + 3: 43. + 4: Word Processor
(N-1286) + 5: + 6: + 7: + 8: align=left valign=top + 9: Lega lstaff.com +10: align=left valign=top +11: CA - Statewide + +/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 + 1: a + bbac + 0: bbac + 1: a + bbbac + 0: bbbac + 1: a + bbbbac + 0: bbbbac + 1: a + bbbbbac + 0: bbbbbac + 1: a + +/^(b+|a){1,2}?c/ + bac + 0: bac + 1: a + bbac + 0: bbac + 1: a + bbbac + 0: bbbac + 1: a + bbbbac + 0: bbbbac + 1: a + bbbbbac + 0: bbbbbac + 1: a + +/(?!\A)x/m + a\bx\n + 0: x + a\nx\n + 0: x +\= Expect no match + x\nb\n +No match + +/(A|B)*?CD/ + CD + 0: CD + +/(A|B)*CD/ + CD + 0: CD + +/(AB)*?\1/ + ABABAB + 0: ABAB + 1: AB + +/(AB)*\1/ + ABABAB + 0: ABABAB + 1: AB + +/(?.*/)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 +\= Expect no match + /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/ +No match + +/(?>(\.\d\d[1-9]?))\d+/ + 1.230003938 + 0: .230003938 + 1: .23 + 1.875000282 + 0: .875000282 + 1: .875 +\= 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 + 1: party +\= Expect no match + this is not a line with only words and spaces! +No match + +/(\d+)(\w)/ + 12345a + 0: 12345a + 1: 12345 + 2: a + 12345+ + 0: 12345 + 1: 1234 + 2: 5 + +/((?>\d+))(\w)/ + 12345a + 0: 12345a + 1: 12345 + 2: a +\= Expect no match + 12345+ +No match + +/(?>a+)b/ + aaab + 0: aaab + +/((?>a+)b)/ + aaab + 0: aaab + 1: aaab + +/(?>(a+))b/ + aaab + 0: aaab + 1: aaa + +/(?>b)+/ + aaabbbccc + 0: bbb + +/(?>a+|b+|c+)*c/ + aaabbbbccccd + 0: aaabbbbc + +/((?>[^()]+)|\([^()]*\))+/ + ((abc(ade)ufh()()x + 0: abc(ade)ufh()()x + 1: x + +/\(((?>[^()]+)|\([^()]+\))+\)/ + (abc) + 0: (abc) + 1: abc + (abc(def)xyz) + 0: (abc(def)xyz) + 1: 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 + 1: a bc +\= 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 + 1: a bcde f +\= Expect no match + abcdef +No match + +/(a(?i)b)c/ + abc + 0: abc + 1: ab + aBc + 0: aBc + 1: aB +\= 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 + 1: xx + aBxxc + 0: xxc + 1: xx +\= Expect no match + Abxxc +No match + ABxxc +No match + abxxC +No match + +/(?:(a)|b)(?(1)A|B)/ + aA + 0: aA + 1: a + bB + 0: bB +\= Expect no match + aB +No match + bA +No match + +/^(a)?(?(1)a|b)+$/ + aa + 0: aa + 1: a + b + 0: b + bb + 0: bb +\= Expect no match + ab +No match + +# Perl gets this next one wrong if the pattern ends with $; in that case it +# fails to match "12". + +/^(?(?=abc)\w{3}:|\d\d)/ + abc: + 0: abc: + 12 + 0: 12 + 123 + 0: 12 +\= Expect no match + xyz +No match + +/^(?(?!abc)\d\d|\w{3}:)$/ + 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 + +/(?(?a*)*/ + a + 0: a + aa + 0: aa + aaaa + 0: aaaa + +/(abc|)+/ + abc + 0: abc + 1: + abcabc + 0: abcabc + 1: + abcabcabc + 0: abcabcabc + 1: + xyz + 0: + 1: + +/([a]*)*/ + a + 0: a + 1: + aaaaa + 0: aaaaa + 1: + +/([ab]*)*/ + a + 0: a + 1: + b + 0: b + 1: + ababab + 0: ababab + 1: + aaaabcde + 0: aaaab + 1: + bbbb + 0: bbbb + 1: + +/([^a]*)*/ + b + 0: b + 1: + bbbb + 0: bbbb + 1: + aaa + 0: + 1: + +/([^ab]*)*/ + cccc + 0: cccc + 1: + abab + 0: + 1: + +/([a]*?)*/ + a + 0: + 1: + aaaa + 0: + 1: + +/([ab]*?)*/ + a + 0: + 1: + b + 0: + 1: + abab + 0: + 1: + baba + 0: + 1: + +/([^a]*?)*/ + b + 0: + 1: + bbbb + 0: + 1: + aaa + 0: + 1: + +/([^ab]*?)*/ + c + 0: + 1: + cccc + 0: + 1: + baba + 0: + 1: + +/(?>a*)*/ + a + 0: a + aaabcde + 0: aaa + +/((?>a*))*/ + aaaaa + 0: aaaaa + 1: + aabbaa + 0: aa + 1: + +/((?>a*?))*/ + aaaaa + 0: + 1: + aabbaa + 0: + 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 + +/(?<=(foo))bar\1/ + foobarfoo + 0: barfoo + 1: foo + foobarfootling + 0: barfoo + 1: foo +\= Expect no match + foobar +No match + barfoo +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 + 1: abc + aBCx + 0: aBCx + 1: aBC + bbx + 0: bbx + 1: bb + BBx + 0: BBx + 1: BB +\= Expect no match + abcX +No match + aBCX +No match + bbX +No match + BBX +No match + +/^([ab](?i)[cd]|[ef])/ + ac + 0: ac + 1: ac + aC + 0: aC + 1: aC + bD + 0: bD + 1: bD + elephant + 0: e + 1: e + Europe + 0: E + 1: E + frog + 0: f + 1: f + France + 0: F + 1: F +\= Expect no match + Africa +No match + +/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/ + ab + 0: ab + 1: ab + aBd + 0: aBd + 1: aBd + xy + 0: xy + 1: xy + xY + 0: xY + 1: xY + zebra + 0: z + 1: z + Zambesi + 0: Z + 1: 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 + +/(?<=(?]&/ + <&OUT + 0: <& + +/^(a\1?){4}$/ + aaaaaaaaaa + 0: aaaaaaaaaa + 1: aaaa +\= Expect no match + AB +No match + aaaaaaaaa +No match + aaaaaaaaaaa +No match + +/^(a(?(1)\1)){4}$/ + aaaaaaaaaa + 0: aaaaaaaaaa + 1: aaaa +\= Expect no match + aaaaaaaaa +No match + aaaaaaaaaaa +No match + +/(?:(f)(o)(o)|(b)(a)(r))*/ + foobar + 0: foobar + 1: f + 2: o + 3: o + 4: b + 5: a + 6: r + +/(?<=a)b/ + ab + 0: b +\= Expect no match + cb +No match + b +No match + +/(? + 2: abcd + xy:z:::abcd + 0: xy:z:::abcd + 1: xy:z::: + 2: abcd + +/^[^bcd]*(c+)/ + aexycd + 0: aexyc + 1: c + +/(a*)b+/ + caab + 0: aab + 1: aa + +/([\w:]+::)?(\w+)$/ + abcd + 0: abcd + 1: + 2: abcd + xy:z:::abcd + 0: xy:z:::abcd + 1: xy:z::: + 2: abcd +\= Expect no match + abcd: +No match + abcd: +No match + +/^[^bcd]*(c+)/ + aexycd + 0: aexyc + 1: c + +/(>a+)ab/ + +/(?>a+)b/ + aaab + 0: aaab + +/([[:]+)/ + a:[b]: + 0: :[ + 1: :[ + +/([[=]+)/ + a=[b]= + 0: =[ + 1: =[ + +/([[.]+)/ + a.[b]. + 0: .[ + 1: .[ + +/((?>a+)b)/ + aaab + 0: aaab + 1: aaab + +/(?>(a+))b/ + aaab + 0: aaab + 1: aaa + +/((?>[^()]+)|\([^()]*\))+/ + ((abc(ade)ufh()()x + 0: abc(ade)ufh()()x + 1: x + +/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 + +/^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/ + a + 0: a + 1: + abc + 0: abc + 1: + a-b + 0: a-b + 1: + 0-9 + 0: 0-9 + 1: + a.b + 0: a.b + 1: + 5.6.7 + 0: 5.6.7 + 1: + the.quick.brown.fox + 0: the.quick.brown.fox + 1: + a100.b200.300c + 0: a100.b200.300c + 1: + 12-ab.1245 + 0: 12-ab.1245 + 1: +\= Expect no match + \ +No match + .a +No match + -a +No match + a- +No match + a. +No match + a_b +No match + a.- +No match + a.. +No match + ab..bc +No match + the.quick.brown.fox- +No match + the.quick.brown.fox. +No match + the.quick.brown.fox_ +No match + the.quick.brown.fox+ +No match + +/(?>.*)(?<=(abcd|wxyz))/ + alphabetabcd + 0: alphabetabcd + 1: abcd + endingwxyz + 0: endingwxyz + 1: wxyz +\= 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}...)(? + 2: + 3: abcd + + 2: + 3: abcd + \s*)=(?>\s*) # find + 2: + 3: abcd + Z)+|A)*/ + ZABCDEFG + 0: ZA + 1: A + +/((?>)+|A)*/ + ZABCDEFG + 0: + 1: + +/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 b/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 + 1: abc + AxyzB + 0: xyz + 1: xyz + +/(?i)AB(?-i)C/ + XabCY + 0: abC +\= Expect no match + XabcY +No match + +/((?i)AB(?-i)C|D)E/ + abCE + 0: abCE + 1: abC + DE + 0: DE + 1: D +\= Expect no match + abcE +No match + abCe +No match + dE +No match + De +No match + +/(.*)\d+\1/ + abc123abc + 0: abc123abc + 1: abc + abc123bc + 0: bc123bc + 1: bc + +/(.*)\d+\1/s + abc123abc + 0: abc123abc + 1: abc + abc123bc + 0: bc123bc + 1: bc + +/((.*))\d+\1/ + abc123abc + 0: abc123abc + 1: abc + 2: abc + abc123bc + 0: bc123bc + 1: bc + 2: bc + +# This tests for an IPv6 address in the form where it can have up to +# eight components, one and only one of which is empty. This must be +# an internal component. + +/^(?!:) # colon disallowed at start + (?: # start of item + (?: [0-9a-f]{1,4} | # 1-4 hex digits or + (?(1)0 | () ) ) # if null previously matched, fail; else null + : # followed by colon + ){1,7} # end item; 1-7 of them required + [0-9a-f]{1,4} $ # final hex number at end of string + (?(1)|.) # check that there was an empty component + /ix + a123::a123 + 0: a123::a123 + 1: + a123:b342::abcd + 0: a123:b342::abcd + 1: + a123:b342::324e:abcd + 0: a123:b342::324e:abcd + 1: + a123:ddde:b342::324e:abcd + 0: a123:ddde:b342::324e:abcd + 1: + a123:ddde:b342::324e:dcba:abcd + 0: a123:ddde:b342::324e:dcba:abcd + 1: + a123:ddde:9999:b342::324e:dcba:abcd + 0: a123:ddde:9999:b342::324e:dcba:abcd + 1: +\= Expect no match + 1:2:3:4:5:6:7:8 +No match + a123:bce:ddde:9999:b342::324e:dcba:abcd +No match + a123::9999:b342::324e:dcba:abcd +No match + abcde:2:3:4:5:6:7:8 +No match + ::1 +No match + abcd:fee0:123:: +No match + :1 +No match + 1: +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 + +/ab cd (?x) de fg/ + ab cd defg + 0: ab cd defg + +/ab cd(?x) de fg/ + ab cddefg + 0: ab cddefg +\= Expect no match + abcddefg +No match + +/(? + 2: + D + 0: D + 1: + 2: + +/(a|)*\d/ + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 + 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 + 1: +\= 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 + +/\Z/g + abc\n + 0: + 0: + +/^(?s)(?>.*)(? + 2: a + +/(?>(a))b|(a)c/ + ac + 0: ac + 1: + 2: a + +/(?=(a))ab|(a)c/ + ac + 0: ac + 1: + 2: a + +/((?>(a))b|(a)c)/ + ac + 0: ac + 1: ac + 2: + 3: a + +/((?>(a))b|(a)c)++/ + ac + 0: ac + 1: ac + 2: + 3: a + +/(?:(?>(a))b|(a)c)++/ + ac + 0: ac + 1: + 2: a + +/(?=(?>(a))b|(a)c)(..)/ + ac + 0: ac + 1: + 2: a + 3: ac + +/(?>(?>(a))b|(a)c)/ + ac + 0: ac + 1: + 2: a + +/(?:(?>([ab])))+a=/aftertext + =ba= + 0: ba= + 0+ + 1: b + +/(?>([ab]))+a=/aftertext + =ba= + 0: ba= + 0+ + 1: b + +/((?>(a+)b)+(aabab))/ + aaaabaaabaabab + 0: aaaabaaabaabab + 1: aaaabaaabaabab + 2: aaa + 3: aabab + +/(?>a+|ab)+?c/ +\= Expect no match + aabc +No match + +/(?>a+|ab)+c/ +\= Expect no match + aabc +No match + +/(?:a+|ab)+c/ + aabc + 0: aabc + +/(?(?=(a))a)/ + a + 0: a + 1: a + +/(?(?=(a))a)(b)/ + ab + 0: ab + 1: a + 2: b + +/^(?:a|ab)++c/ +\= Expect no match + aaaabc +No match + +/^(?>a|ab)++c/ +\= Expect no match + aaaabc +No match + +/^(?:a|ab)+c/ + aaaabc + 0: aaaabc + +/(?=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 + 1: a + bc + 0: b + +/(?=(a))??./ + ab + 0: a + bc + 0: b + +/^(?=(?1))?[az]([abc])d/ + abd + 0: abd + 1: b + zcdxx + 0: zcd + 1: c + +/^(?!a){0}\w+/ + aaaaa + 0: aaaaa + +/(?<=(abc))?xyz/ + abcxyz + 0: xyz + 1: abc + pqrxyz + 0: xyz + +/^[\g]+/ + ggg<<>> + 0: ggg<<>> +\= Expect no match + \\ga +No match + +/^[\ga]+/ + gggagagaxyz + 0: gggagaga + +/^[:a[:digit:]]+/ + aaaa444:::Z + 0: aaaa444::: + +/^[:a[:digit:]:b]+/ + aaaa444:::bbbZ + 0: aaaa444:::bbb + +/[:a]xxx[b:]/ + :xxx: + 0: :xxx: + +/(?<=a{2})b/i + xaabc + 0: b +\= Expect no match + xabc +No match + +/(?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 + +/(foo)\Kbar/ + foobar + 0: bar + 1: foo + +/(foo)(\Kbar|baz)/ + foobar + 0: bar + 1: foo + 2: bar + foobaz + 0: foobaz + 1: foo + 2: baz + +/(foo\Kbar)baz/ + foobarbaz + 0: barbaz + 1: foobar + +/abc\K|def\K/g,aftertext + Xabcdefghi + 0: + 0+ defghi + 0: + 0+ ghi + +/ab\Kc|de\Kf/g,aftertext + Xabcdefghi + 0: c + 0+ defghi + 0: f + 0+ ghi + +/(?=C)/g,aftertext + ABCDECBA + 0: + 0+ CDECBA + 0: + 0+ CBA + +/^abc\K/aftertext + abcdef + 0: + 0+ def +\= Expect no match + defabcxyz +No match + +/^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-2}Z/ + ababababbbabZXXXX + 0: ababababbbabZ + 1: ab + 2: b + +/(?tom|bon)-\g{A}/ + tom-tom + 0: tom-tom + 1: tom + bon-bon + 0: bon-bon + 1: bon + +/(^(a|b\g{-1}))/ +\= Expect no match + bacxxx +No match + +/(?|(abc)|(xyz))\1/ + abcabc + 0: abcabc + 1: abc + xyzxyz + 0: xyzxyz + 1: xyz +\= Expect no match + abcxyz +No match + xyzabc +No match + +/(?|(abc)|(xyz))(?1)/ + abcabc + 0: abcabc + 1: abc + xyzabc + 0: xyzabc + 1: xyz +\= Expect no match + xyzxyz +No match + +/^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/ + XYabcdY + 0: XYabcdY + 1: a + 2: b + 3: c + 4: d + 5: Y + +/^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/ + XYabcdY + 0: XYabcdY + 1: a + 2: b + 3: + 4: + 5: c + 6: d + 7: Y + +/^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/ + XYabcdY + 0: XYabcdY + 1: a + 2: b + 3: + 4: + 5: c + 6: d + 7: Y + +/(?'abc'\w+):\k{2}/ + a:aaxyz + 0: a:aa + 1: a + ab:ababxyz + 0: ab:abab + 1: ab +\= Expect no match + a:axyz +No match + ab:abxyz +No match + +/(?'abc'\w+):\g{abc}{2}/ + a:aaxyz + 0: a:aa + 1: a + ab:ababxyz + 0: ab:abab + 1: ab +\= Expect no match + a:axyz +No match + ab:abxyz +No match + +/^(?a)? (?()b|c) (?('ab')d|e)/x + abd + 0: abd + 1: a + ce + 0: ce + +/^(a.)\g-1Z/ + aXaXZ + 0: aXaXZ + 1: aX + +/^(a.)\g{-1}Z/ + aXaXZ + 0: aXaXZ + 1: aX + +/^(?(DEFINE) (? a) (? b) ) (?&A) (?&B) /x + abcd + 0: ab + +/(?(?&NAME_PAT))\s+(?(?&ADDRESS_PAT)) + (?(DEFINE) + (?[a-z]+) + (?\d+) + )/x + metcalfe 33 + 0: metcalfe 33 + 1: metcalfe + 2: 33 + +/(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ + 1.2.3.4 + 0: 1.2.3.4 + 1: + 2: .4 + 131.111.10.206 + 0: 131.111.10.206 + 1: + 2: .206 + 10.0.0.0 + 0: 10.0.0.0 + 1: + 2: .0 +\= Expect no match + 10.6 +No match + 455.3.4.5 +No match + +/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ + 1.2.3.4 + 0: 1.2.3.4 + 1: .4 + 131.111.10.206 + 0: 131.111.10.206 + 1: .206 + 10.0.0.0 + 0: 10.0.0.0 + 1: .0 +\= Expect no match + 10.6 +No match + 455.3.4.5 +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 + 1: party +\= Expect no match + this is not a line with only words and spaces! +No match + +/(\d++)(\w)/ + 12345a + 0: 12345a + 1: 12345 + 2: a +\= Expect no match + 12345+ +No match + +/a++b/ + aaab + 0: aaab + +/(a++b)/ + aaab + 0: aaab + 1: aaab + +/(a++)b/ + aaab + 0: aaab + 1: aaa + +/([^()]++|\([^()]*\))+/ + ((abc(ade)ufh()()x + 0: abc(ade)ufh()()x + 1: x + +/\(([^()]++|\([^()]+\))+\)/ + (abc) + 0: (abc) + 1: abc + (abc(def)xyz) + 0: (abc(def)xyz) + 1: xyz +\= Expect no match + ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +No match + +/^([^()]|\((?1)*\))*$/ + abc + 0: abc + 1: c + a(b)c + 0: a(b)c + 1: c + a(b(c))d + 0: a(b(c))d + 1: d +\= Expect no match) + a(b(c)d +No match + +/^>abc>([^()]|\((?1)*\))*abc>123abc>123abc>1(2)3abc>1(2)3abc>(1(2)3)abc>(1(2)3) + 2: + 3: Satanoscillatemymetallicsonatas + 4: S + AmanaplanacanalPanama + 0: AmanaplanacanalPanama + 1: + 2: + 3: AmanaplanacanalPanama + 4: A + AblewasIereIsawElba + 0: AblewasIereIsawElba + 1: + 2: + 3: AblewasIereIsawElba + 4: A +\= Expect no match + Thequickbrownfox +No match + +/^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/ + 12 + 0: 12 + 1: 12 + (((2+2)*-3)-7) + 0: (((2+2)*-3)-7) + 1: (((2+2)*-3)-7) + 2: - + -12 + 0: -12 + 1: -12 +\= Expect no match + ((2+2)*-3)-7) +No match + +/^(x(y|(?1){2})z)/ + xyz + 0: xyz + 1: xyz + 2: y + xxyzxyzz + 0: xxyzxyzz + 1: xxyzxyzz + 2: xyzxyz +\= Expect no match + xxyzz +No match + xxyzxyzxyzz +No match + +/((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x + <> + 0: <> + 1: <> + 2: <> + + 0: + 1: + 2: + hij> + 0: hij> + 1: hij> + 2: hij> + hij> + 0: + 1: + 2: + def> + 0: def> + 1: def> + 2: def> + + 0: <> + 1: <> + 2: <> +\= Expect no match + + 2: + 3: Satan, oscillate my metallic sonatas + 4: S + A man, a plan, a canal: Panama! + 0: A man, a plan, a canal: Panama! + 1: + 2: + 3: A man, a plan, a canal: Panama + 4: A + Able was I ere I saw Elba. + 0: Able was I ere I saw Elba. + 1: + 2: + 3: Able was I ere I saw Elba + 4: A +\= Expect no match + The quick brown fox +No match + +/^((.)(?1)\2|.)$/ + a + 0: a + 1: a + aba + 0: aba + 1: aba + 2: a + aabaa + 0: aabaa + 1: aabaa + 2: a + abcdcba + 0: abcdcba + 1: abcdcba + 2: a + pqaabaaqp + 0: pqaabaaqp + 1: pqaabaaqp + 2: p + ablewasiereisawelba + 0: ablewasiereisawelba + 1: ablewasiereisawelba + 2: a +\= Expect no match + rhubarb +No match + the quick brown fox +No match + +/(a)(?<=b(?1))/ + baz + 0: a + 1: a +\= Expect no match + caz +No match + +/(?<=b(?1))(a)/ + zbaaz + 0: a + 1: a +\= Expect no match + aaa +No match + +/(?a)(?<=b(?&X))/ + baz + 0: a + 1: a + +/^(?|(abc)|(def))\1/ + abcabc + 0: abcabc + 1: abc + defdef + 0: defdef + 1: def +\= Expect no match + abcdef +No match + defabc +No match + +/^(?|(abc)|(def))(?1)/ + abcabc + 0: abcabc + 1: abc + defabc + 0: defabc + 1: def +\= Expect no match + defdef +No match + abcdef +No match + +/(?:a(? (?')|(?")) |b(? (?')|(?")) ) (?('quote')[a-z]+|[0-9]+)/x,dupnames + a\"aaaaa + 0: a"aaaaa + 1: " + 2: + 3: " + b\"aaaaa + 0: b"aaaaa + 1: + 2: + 3: + 4: " + 5: + 6: " +\= Expect no match + b\"11111 +No match + +/(?:(?1)|B)(A(*F)|C)/ + ABCD + 0: BC + 1: C + CCD + 0: CC + 1: C +\= Expect no match + CAD +No match + +/^(?:(?1)|B)(A(*F)|C)/ + CCD + 0: CC + 1: C + BCD + 0: BC + 1: C +\= Expect no match + ABCD +No match + CAD +No match + BAD +No match + +/(?:(?1)|B)(A(*ACCEPT)XX|C)D/ + AAD + 0: AA + 1: A + ACD + 0: ACD + 1: C + BAD + 0: BA + 1: A + BCD + 0: BCD + 1: C + BAX + 0: BA + 1: A +\= Expect no match + ACX +No match + ABC +No match + +/(?(DEFINE)(A))B(?1)C/ + BAC + 0: BAC + +/(?(DEFINE)((A)\2))B(?1)C/ + BAAC + 0: BAAC + +/(? \( ( [^()]++ | (?&pn) )* \) )/x + (ab(cd)ef) + 0: (ab(cd)ef) + 1: (ab(cd)ef) + 2: ef + +/^(?=a(*SKIP)b|ac)/ +\= Expect no match + ac +No match + +/^(?=a(*PRUNE)b)/ + ab + 0: +\= Expect no match + ac +No match + +/^(?=a(*ACCEPT)b)/ + ac + 0: + +/(?>a\Kb)/ + ab + 0: b + +/((?>a\Kb))/ + ab + 0: b + 1: ab + +/(a\Kb)/ + ab + 0: b + 1: ab + +/^a\Kcz|ac/ + ac + 0: ac + +/(?>a\Kbz|ab)/ + ab + 0: ab + +/^(?&t)(?(DEFINE)(?a\Kb))$/ + ab + 0: b + +/^([^()]|\((?1)*\))*$/ + a(b)c + 0: a(b)c + 1: c + a(b(c)d)e + 0: a(b(c)d)e + 1: e + +/(?P(?P0)(?P>L1)|(?P>L2))/ + 0 + 0: 0 + 1: 0 + 00 + 0: 00 + 1: 00 + 2: 0 + 0000 + 0: 0000 + 1: 0000 + 2: 0 + +/(?P(?P0)|(?P>L2)(?P>L1))/ + 0 + 0: 0 + 1: 0 + 2: 0 + 00 + 0: 0 + 1: 0 + 2: 0 + 0000 + 0: 0 + 1: 0 + 2: 0 + +# This one does fail, as expected, in Perl. It needs the complex item at the +# end of the pattern. A single letter instead of (B|D) makes it not fail, which +# I think is a Perl bug. + +/A(*COMMIT)(B|D)/ +\= Expect no match + ACABX +No match + +# Check the use of names for failure + +/^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark +\= Expect no match + AC +No match, mark = A + CB +No match, mark = B + +/(*MARK:A)(*SKIP:B)(C|X)/mark + C + 0: C + 1: C +MK: A +\= Expect no match + D +No match, mark = A + +/^(A(*THEN:A)B|C(*THEN:B)D)/mark +\= Expect no match + CB +No match, mark = B + +/^(?:A(*THEN:A)B|C(*THEN:B)D)/mark +\= Expect no match + CB +No match, mark = B + +/^(?>A(*THEN:A)B|C(*THEN:B)D)/mark +\= Expect no match + CB +No match, mark = B + +# This should succeed, as the skip causes bump to offset 1 (the mark). Note +# that we have to have something complicated such as (B|Z) at the end because, +# for Perl, a simple character somehow causes an unwanted optimization to mess +# with the handling of backtracking verbs. + +/A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/x,mark + AAAC + 0: AC + +# Test skipping over a non-matching mark. + +/A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/x,mark + AAAC + 0: AC + +# Check shorthand for MARK. + +/A(*:A)A+(*SKIP:A)(B|Z) | AC/x,mark + AAAC + 0: AC + +/(*:A)A+(*SKIP:A)(B|Z)/mark +\= Expect no match + AAAC +No match, mark = A + +# This should succeed, as a non-existent skip name disables the skip. + +/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark + AAAC + 0: AC + +/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/x,mark + AAAC + 0: AC +MK: B + +# COMMIT at the start of a pattern should act like an anchor. Again, however, +# we need the complication for Perl. + +/(*COMMIT)(A|P)(B|P)(C|P)/ + ABCDEFG + 0: ABC + 1: A + 2: B + 3: C +\= Expect no match + DEFGABC +No match + +# COMMIT inside an atomic group can't stop backtracking over the group. + +/(\w+)(?>b(*COMMIT))\w{2}/ + abbb + 0: abbb + 1: a + +/(\w+)b(*COMMIT)\w{2}/ +\= Expect no match + abbb +No match + +# Check opening parens in comment when seeking forward reference. + +/(?&t)(?#()(?(DEFINE)(?a))/ + bac + 0: a + +# COMMIT should override THEN. + +/(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/ +\= Expect no match + yes +No match + +/(?>(*COMMIT)(yes|no)(*THEN)(*F))?/ +\= Expect no match + yes +No match + +/b?(*SKIP)c/ + bc + 0: bc + abc + 0: bc + +/(*SKIP)bc/ +\= Expect no match + a +No match + +/(*SKIP)b/ +\= Expect no match + a +No match + +/(?P(?P=abn)xxx|)+/ + xxx + 0: + 1: + +/(?i:([^b]))(?1)/ + aa + 0: aa + 1: a + aA + 0: aA + 1: a +\= Expect no match + ab +No match + aB +No match + Ba +No match + ba +No match + +/^(?&t)*+(?(DEFINE)(?a))\w$/ + aaaaaaX + 0: aaaaaaX +\= Expect no match + aaaaaa +No match + +/^(?&t)*(?(DEFINE)(?a))\w$/ + aaaaaaX + 0: aaaaaaX + aaaaaa + 0: aaaaaa + +/^(a)*+(\w)/ + aaaaX + 0: aaaaX + 1: a + 2: X + YZ + 0: Y + 1: + 2: Y +\= Expect no match + aaaa +No match + +/^(?:a)*+(\w)/ + aaaaX + 0: aaaaX + 1: X + YZ + 0: Y + 1: Y +\= Expect no match + aaaa +No match + +/^(a)++(\w)/ + aaaaX + 0: aaaaX + 1: a + 2: X +\= Expect no match + aaaa +No match + YZ +No match + +/^(?:a)++(\w)/ + aaaaX + 0: aaaaX + 1: X +\= Expect no match + aaaa +No match + YZ +No match + +/^(a)?+(\w)/ + aaaaX + 0: aa + 1: a + 2: a + YZ + 0: Y + 1: + 2: Y + +/^(?:a)?+(\w)/ + aaaaX + 0: aa + 1: a + YZ + 0: Y + 1: Y + +/^(a){2,}+(\w)/ + aaaaX + 0: aaaaX + 1: a + 2: X +\= Expect no match + aaa +No match + YZ +No match + +/^(?:a){2,}+(\w)/ + aaaaX + 0: aaaaX + 1: X +\= Expect no match + aaa +No match + YZ +No match + +/(a|)*(?1)b/ + b + 0: b + 1: + ab + 0: ab + 1: + aab + 0: aab + 1: + +/(a)++(?1)b/ +\= Expect no match + ab +No match + aab +No match + +/(a)*+(?1)b/ +\= Expect no match + ab +No match + aab +No match + +/(?1)(?:(b)){0}/ + b + 0: b + +/(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x + foo(bar(baz)+baz(bop)) + 0: foo(bar(baz)+baz(bop)) + 1: foo(bar(baz)+baz(bop)) + 2: (bar(baz)+baz(bop)) + 3: bar(baz)+baz(bop) + +/(A (A|B(*ACCEPT)|C) D)(E)/x + AB + 0: AB + 1: AB + 2: B + +/\A.*?(a|bc)/ + ba + 0: ba + 1: a + +/\A.*?(?:a|bc)++/ + ba + 0: ba + +/\A.*?(a|bc)++/ + ba + 0: ba + 1: a + +/\A.*?(?:a|bc|d)/ + ba + 0: ba + +/(?:(b))++/ + beetle + 0: b + 1: b + +/(?(?=(a(*ACCEPT)z))a)/ + a + 0: a + 1: a + +/^(a)(?1)+ab/ + aaaab + 0: aaaab + 1: a + +/^(a)(?1)++ab/ +\= Expect no match + aaaab +No match + +/^(?=a(*:M))aZ/mark + aZbc + 0: aZ +MK: M + +/^(?!(*:M)b)aZ/mark + aZbc + 0: aZ + +/(?(DEFINE)(a))?b(?1)/ + backgammon + 0: ba + +/^\N+/ + abc\ndef + 0: abc + +/^\N{1,}/ + abc\ndef + 0: abc + +/(?(R)a+|(?R)b)/ + aaaabcde + 0: aaaab + +/(?(R)a+|((?R))b)/ + aaaabcde + 0: aaaab + 1: aaaa + +/((?(R)a+|(?1)b))/ + aaaabcde + 0: aaaab + 1: aaaab + +/((?(R1)a+|(?1)b))/ + aaaabcde + 0: aaaab + 1: aaaab + +/((?(R)a|(?1)))*/ + aaa + 0: aaa + 1: a + +/((?(R)a|(?1)))+/ + aaa + 0: aaa + 1: a + +/a(*:any +name)/mark + abc + 0: a +MK: any \x0aname + +/(?>(?&t)c|(?&t))(?(DEFINE)(?a|b(*PRUNE)c))/ + a + 0: a + ba + 0: a + bba + 0: a + +# Checking revised (*THEN) handling. + +# Capture + +/^.*? (a(*THEN)b) c/x +\= Expect no match + aabc +No match + +/^.*? (a(*THEN)b|(*F)) c/x + aabc + 0: aabc + 1: ab + +/^.*? ( (a(*THEN)b) | (*F) ) c/x + aabc + 0: aabc + 1: ab + 2: ab + +/^.*? ( (a(*THEN)b) ) c/x +\= Expect no match + aabc +No match + +# Non-capture + +/^.*? (?:a(*THEN)b) c/x +\= Expect no match + aabc +No match + +/^.*? (?:a(*THEN)b|(*F)) c/x + aabc + 0: aabc + +/^.*? (?: (?:a(*THEN)b) | (*F) ) c/x + aabc + 0: aabc + +/^.*? (?: (?:a(*THEN)b) ) c/x +\= Expect no match + aabc +No match + +# Atomic + +/^.*? (?>a(*THEN)b) c/x +\= Expect no match + aabc +No match + +/^.*? (?>a(*THEN)b|(*F)) c/x + aabc + 0: aabc + +/^.*? (?> (?>a(*THEN)b) | (*F) ) c/x + aabc + 0: aabc + +/^.*? (?> (?>a(*THEN)b) ) c/x +\= Expect no match + aabc +No match + +# Possessive capture + +/^.*? (a(*THEN)b)++ c/x +\= Expect no match + aabc +No match + +/^.*? (a(*THEN)b|(*F))++ c/x + aabc + 0: aabc + 1: ab + +/^.*? ( (a(*THEN)b)++ | (*F) )++ c/x + aabc + 0: aabc + 1: ab + 2: ab + +/^.*? ( (a(*THEN)b)++ )++ c/x +\= Expect no match + aabc +No match + +# Possessive non-capture + +/^.*? (?:a(*THEN)b)++ c/x +\= Expect no match + aabc +No match + +/^.*? (?:a(*THEN)b|(*F))++ c/x + aabc + 0: aabc + +/^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x + aabc + 0: aabc + +/^.*? (?: (?:a(*THEN)b)++ )++ c/x +\= Expect no match + aabc +No match + +# Condition assertion + +/^(?(?=a(*THEN)b)ab|ac)/ + ac + 0: ac + +# Condition + +/^.*?(?(?=a)a|b(*THEN)c)/ +\= Expect no match + ba +No match + +/^.*?(?:(?(?=a)a|b(*THEN)c)|d)/ + ba + 0: ba + +/^.*?(?(?=a)a(*THEN)b|c)/ +\= Expect no match + ac +No match + +# Assertion + +/^.*(?=a(*THEN)b)/ + aabc + 0: a + +# -------------------------- + +/(?>a(*:m))/imsx,mark + a + 0: a +MK: m + +/(?>(a)(*:m))/imsx,mark + a + 0: a + 1: a +MK: m + +/(?<=a(*ACCEPT)b)c/ + xacd + 0: c + +/(?<=(a(*ACCEPT)b))c/ + xacd + 0: c + 1: a + +/(?<=(a(*COMMIT)b))c/ + xabcd + 0: c + 1: ab +\= Expect no match + xacd +No match + +/(? + 2: + +/(another)?(\1+)test/ +\= Expect no match + hello world test +No match + +/(a(*COMMIT)b){0}a(?1)|aac/ + aac + 0: aac + +/((?:a?)*)*c/ + aac + 0: aac + 1: + +/((?>a?)*)*c/ + aac + 0: aac + 1: + +/(?>.*?a)(?<=ba)/ + aba + 0: ba + +/(?:.*?a)(?<=ba)/ + aba + 0: aba + +/(?>.*?a)b/s + aab + 0: ab + +/(?>.*?a)b/ + aab + 0: ab + +/(?>^a)b/s +\= Expect no match + aab +No match + +/(?>.*?)(?<=(abcd)|(wxyz))/ + alphabetabcd + 0: + 1: abcd + endingwxyz + 0: + 1: + 2: wxyz + +/(?>.*)(?<=(abcd)|(wxyz))/ + alphabetabcd + 0: alphabetabcd + 1: abcd + endingwxyz + 0: endingwxyz + 1: + 2: wxyz + +"(?>.*)foo" +\= Expect no match + abcdfooxyz +No match + +"(?>.*?)foo" + abcdfooxyz + 0: foo + +/(?:(a(*PRUNE)b)){0}(?:(?1)|ac)/ + ac + 0: ac + +/(?:(a(*SKIP)b)){0}(?:(?1)|ac)/ + ac + 0: ac + +/(?<=(*SKIP)ac)a/ +\= Expect no match + aa +No match + +/A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark + AAAC + 0: AC + +/a(*SKIP:m)x|ac(*:n)(*SKIP:n)d|ac/mark + acacd + 0: acd +MK: n + +/A(*SKIP:m)x|A(*SKIP:n)x|AB/mark + AB + 0: AB + +/((*SKIP:r)d){0}a(*SKIP:m)x|ac(*:n)|ac/mark + acacd + 0: ac +MK: n + +# Tests that try to figure out how Perl works. My hypothesis is that the first +# verb that is backtracked onto is the one that acts. This seems to be the case +# almost all the time, but there is one exception that is perhaps a bug. + +# This matches "aaaac"; each PRUNE advances one character until the subject no +# longer starts with 5 'a's. + +/aaaaa(*PRUNE)b|a+c/ + aaaaaac + 0: aaaac + +# Putting SKIP in front of PRUNE makes no difference, as it is never +# backtracked onto, whether or not it has a label. + +/aaaaa(*SKIP)(*PRUNE)b|a+c/ + aaaaaac + 0: aaaac + +/aaaaa(*SKIP:N)(*PRUNE)b|a+c/ + aaaaaac + 0: aaaac + +/aaaa(*:N)a(*SKIP:N)(*PRUNE)b|a+c/ + aaaaaac + 0: aaaac + +# Putting THEN in front makes no difference. + +/aaaaa(*THEN)(*PRUNE)b|a+c/ + aaaaaac + 0: aaaac + +# However, putting COMMIT in front of the prune changes it to "no match". I +# think this is inconsistent and possibly a bug. For the moment, running this +# test is moved out of the Perl-compatible file. + +/aaaaa(*COMMIT)(*PRUNE)b|a+c/ + +# OK, lets play the same game again using SKIP instead of PRUNE. + +# This matches "ac" because SKIP forces the next match to start on the +# sixth "a". + +/aaaaa(*SKIP)b|a+c/ + aaaaaac + 0: ac + +# Putting PRUNE in front makes no difference. + +/aaaaa(*PRUNE)(*SKIP)b|a+c/ + aaaaaac + 0: ac + +# Putting THEN in front makes no difference. + +/aaaaa(*THEN)(*SKIP)b|a+c/ + aaaaaac + 0: ac + +# In this case, neither does COMMIT. This still matches "ac". + +/aaaaa(*COMMIT)(*SKIP)b|a+c/ + aaaaaac + 0: ac + +# This gives "no match", as expected. + +/aaaaa(*COMMIT)b|a+c/ +\= Expect no match + aaaaaac +No match + +# ---- Tests using THEN ---- + +# This matches "aaaaaac", as expected. + +/aaaaa(*THEN)b|a+c/ + aaaaaac + 0: aaaaaac + +# Putting SKIP in front makes no difference. + +/aaaaa(*SKIP)(*THEN)b|a+c/ + aaaaaac + 0: aaaaaac + +# Putting PRUNE in front makes no difference. + +/aaaaa(*PRUNE)(*THEN)b|a+c/ + aaaaaac + 0: aaaaaac + +# Putting COMMIT in front makes no difference. + +/aaaaa(*COMMIT)(*THEN)b|a+c/ + aaaaaac + 0: aaaaaac + +# End of "priority" tests + +/aaaaa(*:m)(*PRUNE:m)(*SKIP:m)m|a+/ + aaaaaa + 0: a + +/aaaaa(*:m)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ + aaaaaa + 0: a + +/aaaaa(*:n)(*PRUNE:m)(*SKIP:m)m|a+/ + aaaaaa + 0: aaaa + +/aaaaa(*:n)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ + aaaaaa + 0: a + +/a(*MARK:A)aa(*PRUNE:A)a(*SKIP:A)b|a+c/ + aaaac + 0: aac + +/a(*MARK:A)aa(*MARK:A)a(*SKIP:A)b|a+c/ + aaaac + 0: ac + +/aaa(*PRUNE:A)a(*SKIP:A)b|a+c/ + aaaac + 0: aac + +/aaa(*MARK:A)a(*SKIP:A)b|a+c/ + aaaac + 0: ac + +/a(*:m)a(*COMMIT)(*SKIP:m)b|a+c/mark + aaaaaac + 0: ac + +/.?(a|b(*THEN)c)/ + ba + 0: ba + 1: a + +/(a(*COMMIT)b)c|abd/ + abc + 0: abc + 1: ab +\= Expect no match + abd +No match + +/(?=a(*COMMIT)b)abc|abd/ + abc + 0: abc + abd + 0: abd + +/(?>a(*COMMIT)b)c|abd/ + abc + 0: abc + abd + 0: abd + +/a(?=b(*COMMIT)c)[^d]|abd/ + abc + 0: ab +\= Expect no match + abd +No match + +/a(?=bc).|abd/ + abd + 0: abd + abc + 0: ab + +/a(?>b(*COMMIT)c)d|abd/ +\= Expect no match + abceabd +No match + +/a(?>bc)d|abd/ + abceabd + 0: abd + +/(?>a(*COMMIT)b)c|abd/ + abd + 0: abd + +/(?>a(*COMMIT)c)d|abd/ +\= Expect no match + abd +No match + +/((?=a(*COMMIT)b)ab|ac){0}(?:(?1)|a(c))/ + ac + 0: ac + 1: + 2: c + +# These tests were formerly in test 2, but changes in PCRE and Perl have +# made them compatible. + +/^(a)?(?(1)a|b)+$/ +\= Expect no match + a +No match + +/(?=a\Kb)ab/ + ab + 0: b + +/(?!a\Kb)ac/ + ac + 0: ac + +/^abc(?<=b\Kc)d/ + abcd + 0: cd + +/^abc(?b))/mark + abc + 0: b +MK: m(m + +/(*PRUNE:m(m)(?&y)(?(DEFINE)(?b))/mark + abc + 0: b +MK: m(m + +/(*SKIP:m(m)(?&y)(?(DEFINE)(?b))/mark + abc + 0: b + +/(*THEN:m(m)(?&y)(?(DEFINE)(?b))/mark + abc + 0: b +MK: m(m + +/^\d*\w{4}/ + 1234 + 0: 1234 +\= Expect no match + 123 +No match + +/^[^b]*\w{4}/ + aaaa + 0: aaaa +\= Expect no match + aaa +No match + +/^[^b]*\w{4}/i + aaaa + 0: aaaa +\= Expect no match + aaa +No match + +/^a*\w{4}/ + aaaa + 0: aaaa +\= Expect no match + aaa +No match + +/^a*\w{4}/i + aaaa + 0: aaaa +\= Expect no match + aaa +No match + +/(?:(?foo)|(?bar))\k/dupnames + foofoo + 0: foofoo + 1: foo + barbar + 0: barbar + 1: + 2: bar + +/(?A)(?:(?foo)|(?bar))\k/dupnames + AfooA + 0: AfooA + 1: A + 2: foo + AbarA + 0: AbarA + 1: A + 2: + 3: bar +\= Expect no match + Afoofoo +No match + Abarbar +No match + +/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ + 1 IN SOA non-sp1 non-sp2( + 0: 1 IN SOA non-sp1 non-sp2( + 1: 1 + 2: non-sp1 + 3: non-sp2 + +/^ (?:(?A)|(?'B'B)(?A)) (?('A')x) (?()y)$/x,dupnames + Ax + 0: Ax + 1: A + BAxy + 0: BAxy + 1: + 2: B + 3: A + +/^A\xZ/ + A\0Z + 0: A\x00Z + +/^A\o{123}B/ + A\123B + 0: ASB + +/ ^ a + + b $ /x + aaaab + 0: aaaab + +/ ^ a + #comment + + b $ /x + aaaab + 0: aaaab + +/ ^ a + #comment + #comment + + b $ /x + aaaab + 0: aaaab + +/ ^ (?> a + ) b $ /x + aaaab + 0: aaaab + +/ ^ ( a + ) + + \w $ /x + aaaab + 0: aaaab + 1: aaaa + +/(?:a\Kb)*+/aftertext + ababc + 0: b + 0+ c + +/(?>a\Kb)*/aftertext + ababc + 0: b + 0+ c + +/(?:a\Kb)*/aftertext + ababc + 0: b + 0+ c + +/(a\Kb)*+/aftertext + ababc + 0: b + 0+ c + 1: ab + +/(a\Kb)*/aftertext + ababc + 0: b + 0+ c + 1: ab + +/(?:x|(?:(xx|yy)+|x|x|x|x|x)|a|a|a)bc/ +\= Expect no match + acb +No match + +'\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 + +'\A(?:[^\"]++|\"(?:[^\"]++|\"\")++\")++' + NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED + 0: NON QUOTED "QUOT""ED" AFTER + +'\A([^\"1]++|[\"2]([^\"3]*+|[\"4][\"5])*+[\"6])++' + NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED + 0: NON QUOTED "QUOT""ED" AFTER + 1: AFTER + 2: + +/^\w+(?>\s*)(?<=\w)/ + test test + 0: tes + +/(?Pa)(?Pb)/g,dupnames + abbaba + 0: ab + 1: a + 2: b + 0: ab + 1: a + 2: b + +/(?Pa)(?Pb)(?P=same)/g,dupnames + abbaba + 0: aba + 1: a + 2: b + +/(?P=same)?(?Pa)(?Pb)/g,dupnames + abbaba + 0: ab + 1: a + 2: b + 0: ab + 1: a + 2: b + +/(?:(?P=same)?(?:(?Pa)|(?Pb))(?P=same))+/g,dupnames + bbbaaabaabb + 0: bbbaaaba + 1: a + 2: b + 0: bb + 1: + 2: b + +/(?:(?P=same)?(?:(?P=same)(?Pa)(?P=same)|(?P=same)?(?Pb)(?P=same)){2}(?P=same)(?Pc)(?P=same)){2}(?Pz)?/g,dupnames +\= Expect no match + bbbaaaccccaaabbbcc +No match + +/(?Pa)?(?Pb)?(?()c|d)*l/ + acl + 0: acl + 1: a + bdl + 0: bdl + 1: + 2: b + adl + 0: dl + bcl + 0: l + +/\sabc/ + \x{0b}abc + 0: \x0babc + +/[\Qa]\E]+/ + aa]] + 0: aa]] + +/[\Q]a\E]+/ + aa]] + 0: aa]] + +/A((((((((a))))))))\8B/ + AaaB + 0: AaaB + 1: a + 2: a + 3: a + 4: a + 5: a + 6: a + 7: a + 8: a + +/A(((((((((a)))))))))\9B/ + AaaB + 0: AaaB + 1: a + 2: a + 3: a + 4: a + 5: a + 6: a + 7: a + 8: a + 9: a + +/A[\8\9]B/ + A8B + 0: A8B + A9B + 0: A9B + +/(|ab)*?d/ + abd + 0: abd + 1: ab + xyd + 0: d + +/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ + 1234abcd + 0: + 1: + 2: + 3: + 4: + 5: + +/(\2|a)(\1)/ + aaa + 0: aa + 1: a + 2: a + +/(\2)(\1)/ + +"Z*(|d*){216}" + +"(?1)(?#?'){8}(a)" + baaaaaaaaac + 0: aaaaaaaaa + 1: a + +/((((((((((((x))))))))))))\12/ + xx + 0: xx + 1: x + 2: x + 3: x + 4: x + 5: x + 6: x + 7: x + 8: x + 9: x +10: x +11: x +12: x + +/A[\8]B[\9]C/ + A8B9C + 0: A8B9C + +/(?1)()((((((\1++))\x85)+)|))/ + \x85\x85 + 0: \x85\x85 + 1: + 2: \x85\x85 + 3: \x85\x85 + 4: \x85\x85 + 5: \x85 + 6: + 7: + +"(?|(\k'Pm')|(?'Pm'))" + abcd + 0: + 1: + +/(?|(aaa)|(b))\g{1}/ + aaaaaa + 0: aaaaaa + 1: aaa + bb + 0: bb + 1: b + +/(?|(aaa)|(b))(?1)/ + aaaaaa + 0: aaaaaa + 1: aaa + baaa + 0: baaa + 1: b +\= Expect no match + bb +No match + +/(?|(aaa)|(b))/ + xaaa + 0: aaa + 1: aaa + xbc + 0: b + 1: b + +/(?|(?'a'aaa)|(?'a'b))\k'a'/ + aaaaaa + 0: aaaaaa + 1: aaa + bb + 0: bb + 1: b + +/(?|(?'a'aaa)|(?'a'b))(?'a'cccc)\k'a'/dupnames + aaaccccaaa + 0: aaaccccaaa + 1: aaa + 2: cccc + bccccb + 0: bccccb + 1: b + 2: cccc + +# /x does not apply to MARK labels + +/x (*MARK:ab cd # comment +ef) x/x,mark + axxz + 0: xx +MK: ab cd # comment\x0aef + +/(?<=a(B){0}c)X/ + acX + 0: X + +/(?b)(?(DEFINE)(a+))(?&DEFINE)/ + bbbb + 0: bb + 1: b +\= Expect no match + baaab +No match + +/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/ + \ Fred:099 + 0: + +/(?=.*X)X$/ + \ X + 0: X + +/(?s)(?=.*?)b/ + aabc + 0: b + +/(Z)(a)\2{1,2}?(?-i)\1X/i + ZaAAZX + 0: ZaAAZX + 1: Z + 2: a + +/(?'c')XX(?'YYYYYYYYYYYYYYYYYYYYYYYCl')/ + +/[s[:digit:]\E-H]+/ + s09-H + 0: s09-H + +/[s[:digit:]\Q\E-H]+/ + s09-H + 0: s09-H + +/a+(?:|b)a/ + aaaa + 0: aaaa + +/X?(R||){3335}/ + +/(?1)(A(*COMMIT)|B)D/ + ABD + 0: ABD + 1: B + XABD + 0: ABD + 1: B + BAD + 0: BAD + 1: A + ABXABD + 0: ABD + 1: B +\= Expect no match + ABX +No match + +/(?(DEFINE)(? 1? (?=(?2)?) 1 2 (?('cond')|3))) + \A + () + (?&m) + \Z/x + 123 + 0: 123 + 1: + 2: + 3: + +/^(?: +(?: A| (1? (?=(?2)?) (1) 2 (?('cond')|3)) ) +(Z) +)+$/x + AZ123Z + 0: AZ123Z + 1: 123 + 2: + 3: 1 + 4: Z +\= Expect no match + AZ12Z +No match + +/^ (?(DEFINE) ( (?!(a)\2b)..) ) ()(?1) /x + acb + 0: ac + 1: + 2: + 3: +\= Expect no match + aab +No match + +'(?>ab|abab){1,5}?M' + abababababababababababM + 0: abababababM + +'(?>ab|abab){2}?M' + abababM + 0: ababM + +'((?(?=(a))a)+k)' + bbak + 0: ak + 1: ak + 2: a + +'((?(?=(a))a|)+k)' + bbak + 0: ak + 1: ak + 2: a + +'(?(?!(b))a|b)+k' + ababbalbbadabak + 0: abak + 1: b + +/(?!(b))c|b/ + Ab + 0: b + Ac + 0: c + +/(?=(b))b|c/ + Ab + 0: b + 1: b + Ac + 0: c + +/^(.|(.)(?1)\2)$/ + a + 0: a + 1: a + aba + 0: aba + 1: aba + 2: a + abcba + 0: abcba + 1: abcba + 2: a + ababa + 0: ababa + 1: ababa + 2: a + abcdcba + 0: abcdcba + 1: abcdcba + 2: a + +/^((.)(?1)\2|.?)$/ + a + 0: a + 1: a + aba + 0: aba + 1: aba + 2: a + abba + 0: abba + 1: abba + 2: a + abcba + 0: abcba + 1: abcba + 2: a + ababa + 0: ababa + 1: ababa + 2: a + abccba + 0: abccba + 1: abccba + 2: a + abcdcba + 0: abcdcba + 1: abcdcba + 2: a + abcddcba + 0: abcddcba + 1: abcddcba + 2: a + +/^(.)(\1|a(?2))/ + bab + 0: bab + 1: b + 2: ab + +/^(.|(.)(?1)?\2)$/ + abcba + 0: abcba + 1: abcba + 2: a + +/^(?(?=(a))abc|def)/ + abc + 0: abc + 1: a + +/^(?(?!(a))def|abc)/ + abc + 0: abc + 1: a + +/^(?(?=(a)(*ACCEPT))abc|def)/ + abc + 0: abc + 1: a + +/^(?(?!(a)(*ACCEPT))def|abc)/ + abc + 0: abc + 1: a + +/^(?1)\d{3}(a)/ + a123a + 0: a123a + 1: a + +# This pattern uses a lot of named subpatterns in order to match email +# addresses in various formats. It's a heavy test for named subpatterns. In the +# group, slash is coded as \x{2f} so that this pattern can also be +# processed by perltest.sh, which does not cater for an escaped delimiter +# within the pattern. $ within the pattern must also be escaped. All $ and @ +# characters in subject strings are escaped so that Perl doesn't interpret them +# as variable insertions and " characters must also be escaped for Perl. + +# This set of subpatterns is more or less a direct transliteration of the BNF +# definitions in RFC2822, without any of the obsolete features. The addition of +# a possessive + to the definition of reduced the match limit in PCRE2 +# from over 5 million to just under 400, and eliminated a very noticeable delay +# when this file was passed to perltest.sh. + +/(?ix)(?(DEFINE) +(? (?&local_part) \@ (?&domain) ) +(? (?&CFWS)?+ < (?&addr_spec) > (?&CFWS)?+ ) +(? [a-z\d!#\$%&'*+-\x{2f}=?^_`{|}~] ) +(? (?&CFWS)?+ (?&atext)+ (?&CFWS)?+ ) +(? (?&ctext) | (?"ed_pair) | (?&comment) ) +(? [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ ()\\] ) +(? \( (?: (?&FWS)?+ (?&ccontent) )*+ (?&FWS)?+ \) ) +(? (?: (?&FWS)?+ (?&comment) )* (?# NOT possessive) + (?: (?&FWS)?+ (?&comment) | (?&FWS) ) ) +(? (?&dtext) | (?"ed_pair) ) +(? (?&phrase) ) +(? (?&dot_atom) | (?&domain_literal) ) +(? (?&CFWS)?+ \[ (?: (?&FWS)?+ (?&dcontent) )* (?&FWS)?+ \] + (?&CFWS)?+ ) +(? (?&CFWS)?+ (?&dot_atom_text) (?&CFWS)?+ ) +(? (?&atext)++ (?: \. (?&atext)++)*+ ) +(? [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ \[\]\\] ) +(? (?: [\t\ ]*+ \n)?+ [\t\ ]++ ) +(? (?&dot_atom) | (?"ed_string) ) +(? (?&name_addr) | (?&addr_spec) ) +(? (?&display_name)? (?&angle_addr) ) +(? (?&word)++ ) +(? (?&qtext) | (?"ed_pair) ) +(? " (?&text) ) +(? (?&CFWS)?+ " (?: (?&FWS)?+ (?&qcontent))* (?&FWS)?+ " + (?&CFWS)?+ ) +(? [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ "\\] ) +(? [^\r\n] ) +(? (?&atom) | (?"ed_string) ) +) # End DEFINE +^(?&mailbox)$/ + Alan Other + 0: Alan Other + + 0: + user\@dom.ain + 0: user@dom.ain + user\@[] + 0: user@[] + user\@[domain literal] + 0: user@[domain literal] + user\@[domain literal with \"[square brackets\"] inside] + 0: user@[domain literal with "[square brackets"] inside] + \"A. Other\" (a comment) + 0: "A. Other" (a comment) + A. Other (a comment) + 0: A. Other (a comment) + \"/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 +\= Expect no match + A missing angle (?&simple_assertion) | (?&lookaround) ) + +(? \( \? > (?®ex) \) ) + +(? \\ \d+ | + \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | + \\k <(?&groupname)> | + \\k '(?&groupname)' | + \\k \{ (?&groupname) \} | + \( \? P= (?&groupname) \) ) + +(? (?:(?&assertion) | + (?&callout) | + (?&comment) | + (?&option_setting) | + (?&qualified_item) | + (?"ed_string) | + (?"ed_string_empty) | + (?&special_escape) | + (?&verb) + )* ) + +(? \(\?C (?: \d+ | + (?: (?["'`^%\#\$]) + (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | + \{ (?: \}\} | [^}]*+ )* \} ) + )? \) ) + +(? \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? + (?®ex) \) ) + +(? \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] ) + +(? (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] ) + +(? (?: \[ : (?: + alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| + punct|space|upper|word|xdigit + ) : \] | + (?"ed_string) | + (?"ed_string_empty) | + (?&escaped_character) | + (?&character_type) | + [^]] ) ) + +(? \(\?\# [^)]* \) | (?"ed_string_empty) | \\E ) + +(? (?: \( [+-]? \d+ \) | + \( < (?&groupname) > \) | + \( ' (?&groupname) ' \) | + \( R \d* \) | + \( R & (?&groupname) \) | + \( (?&groupname) \) | + \( DEFINE \) | + \( VERSION >?=\d+(?:\.\d\d?)? \) | + (?&callout)?+ (?&comment)* (?&lookaround) ) ) + +(? \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) ) + +(? (? [-\x{2f}!"'`=_:;,%&@~]) (?®ex) + \k'delimiter' .* ) + +(? \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | + x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | + [aefnrt] | c[[:print:]] | + [^[:alnum:]] ) ) + +(? (?&capturing_group) | (?&non_capturing_group) | + (?&resetting_group) | (?&atomic_group) | + (?&conditional_group) ) + +(? [a-zA-Z_]\w* ) + +(? (?! (?&range_qualifier) ) [^[()|*+?.\$\\] ) + +(? \(\? (?: = | ! | <= | \(\? [iJmnsUx-]* : (?®ex) \) ) + +(? \(\? [iJmnsUx-]* \) ) + +(? (?:\. | + (?&lookaround) | + (?&back_reference) | + (?&character_class) | + (?&character_type) | + (?&escaped_character) | + (?&group) | + (?&subroutine_call) | + (?&literal_character) | + (?"ed_string) + ) (?&comment)? (?&qualifier)? ) + +(? (?: [?*+] | (?&range_qualifier) ) [+?]? ) + +(? (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) + +(? \\Q\\E ) + +(? \{ (?: \d+ (?: , \d* )? | , \d+ ) \} ) + +(? (?&start_item)* (?&branch) (?: \| (?&branch) )* ) + +(? \( \? \| (?®ex) \) ) + +(? \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z ) + +(? \\K ) + +(? \( \* (?: + ANY | + ANYCRLF | + BSR_ANYCRLF | + BSR_UNICODE | + CR | + CRLF | + LF | + LIMIT_MATCH=\d+ | + LIMIT_DEPTH=\d+ | + LIMIT_HEAP=\d+ | + NOTEMPTY | + NOTEMPTY_ATSTART | + NO_AUTO_POSSESS | + NO_DOTSTAR_ANCHOR | + NO_JIT | + NO_START_OPT | + NUL | + UTF | + UCP ) \) ) + +(? (?: \(\?R\) | \(\?[+-]?\d+\) | + \(\? (?: & | P> ) (?&groupname) \) | + \\g < (?&groupname) > | + \\g ' (?&groupname) ' | + \\g < [+-]? \d+ > | + \\g ' [+-]? \d+ ) ) + +(? \(\* (?: ACCEPT | FAIL | F | COMMIT | + (?:MARK)?:(?&verbname) | + (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) ) + +(? [^)]+ ) + +) # End DEFINE +# Kick it all off... +^(?&delimited_regex)$/subject_literal,jitstack=256 + /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ + 0: /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ + /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ + 0: /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ + /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ + 0: /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ + /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ + 0: /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ + /]{0,})>]{0,})>([\d]{0,}\.)(.*)((
([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is + 0: /]{0,})>]{0,})>([\d]{0,}\.)(.*)((
([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is + /^(?(DEFINE) (? a) (? b) ) (?&A) (?&B) / + 0: /^(?(DEFINE) (? a) (? b) ) (?&A) (?&B) / + /(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ + 0: /(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ + /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ + 0: /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ + /^(\w++|\s++)*$/ + 0: /^(\w++|\s++)*$/ + /a+b?(*THEN)c+(*FAIL)/ + 0: /a+b?(*THEN)c+(*FAIL)/ + /(A (A|B(*ACCEPT)|C) D)(E)/x + 0: /(A (A|B(*ACCEPT)|C) D)(E)/x + /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i + 0: /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i + /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B + 0: /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B + /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info + 0: /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info + /(?sx)(?(DEFINE)(? (?&simple_assertion) | (?&lookaround) )(? \( \? > (?®ex) \) )(? \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(? (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(? \(\?C (?: \d+ | (?: (?["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(? \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(? \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(? (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(? (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(? \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(? (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(? \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(? (? [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(? \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(? (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(? [a-zA-Z_]\w* )(? (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(? \(\? (?: = | ! | <= | \(\? [iJmnsUx-]* : (?®ex) \) )(? \(\? [iJmnsUx-]* \) )(? (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(? (?: [?*+] | (?&range_qualifier) ) [+?]? )(? (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (? \\Q\\E ) (? \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(? (?&start_item)* (?&branch) (?: \| (?&branch) )* )(? \( \? \| (?®ex) \) )(? \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(? \\K )(? \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(? (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(? \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(? [^)]+ ))^(?&delimited_regex)$/ + 0: /(?sx)(?(DEFINE)(? (?&simple_assertion) | (?&lookaround) )(? \( \? > (?®ex) \) )(? \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(? (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(? \(\?C (?: \d+ | (?: (?["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(? \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(? \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(? (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(? (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(? \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(? (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(? \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(? (? [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(? \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(? (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(? [a-zA-Z_]\w* )(? (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(? \(\? (?: = | ! | <= | \(\? [iJmnsUx-]* : (?®ex) \) )(? \(\? [iJmnsUx-]* \) )(? (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(? (?: [?*+] | (?&range_qualifier) ) [+?]? )(? (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (? \\Q\\E ) (? \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(? (?&start_item)* (?&branch) (?: \| (?&branch) )* )(? \( \? \| (?®ex) \) )(? \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(? \\K )(? \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(? (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(? \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(? [^)]+ ))^(?&delimited_regex)$/ +\= Expect no match + /((?(?C'')\QX\E(?!((?(?C'')(?!X=X));=)r*X=X));=)/ +No match + /(?:(?(2y)a|b)(X))+/ +No match + /a(*MARK)b/ +No match + /a(*CR)b/ +No match + /(?P(?P=abn)(?/xx + < > + 0: < > + +/<(?:[a b])>/xx + < > +No match + +/<(?xxx:[a b])>/ + < > +No match + +/<(?-x:[a b])>/xx + < > + 0: < > + +/[[:digit:]-]+/ + 12-24 + 0: 12-24 + +/((?<=((*ACCEPT)) )\1?\b) / +\= Expect no match + ((?<=((*ACCEPT)) )\\1?\\b)\x20 +No match + +/((?<=((*ACCEPT))X)\1?Y)\1/ + XYYZ + 0: YY + 1: Y + 2: + +/((?<=((*ACCEPT))X)\1?Y(*ACCEPT))\1/ + XYYZ + 0: Y + 1: Y + 2: + +/(?(DEFINE)(?a?)X)^(?&optional_a)a$/ + aa + 0: aa + a + 0: a + +/^(a?)b(?1)a/ + abaa + 0: abaa + 1: a + aba + 0: aba + 1: a + baa + 0: baa + 1: + ba + 0: ba + 1: + +/^(a?)+b(?1)a/ + abaa + 0: abaa + 1: + aba + 0: aba + 1: + baa + 0: baa + 1: + ba + 0: ba + 1: + +/^(a?)++b(?1)a/ + abaa + 0: abaa + 1: + aba + 0: aba + 1: + baa + 0: baa + 1: + ba + 0: ba + 1: + +/^(a?)+b/ + b + 0: b + 1: + ab + 0: ab + 1: + aaab + 0: aaab + 1: + +/(?=a+)a(a+)++b/ + aab + 0: aab + 1: a + +/(?<=\G.)/g,aftertext + abc + 0: + 0+ bc + 0: + 0+ c + 0: + 0+ + +/(?<=(?=.)?)/ + +/(?<=(?=.)?+)/ + +/(?<=(?=.)*)/ + +/(?<=(?=.){4,5})/ + +/(?<=(?=.){4,5}x)/ + +/a(?=.(*:X))(*SKIP:X)(*F)|(.)/ + abc + 0: a + 1: a + +/a(?>(*:X))(*SKIP:X)(*F)|(.)/ + abc + 0: a + 1: a + +/a(?:(*:X))(*SKIP:X)(*F)|(.)/ + abc + 0: b + 1: b + +#pattern no_start_optimize + +/(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/ + abc + 0: abc + +/(?>a(*:1))(?>b)(*SKIP:1)x|.*/ + abc + 0: abc + +#subject mark + +/a(*ACCEPT:X)b/ + abc + 0: a +MK: X + +/(?=a(*ACCEPT:QQ)bc)axyz/ + axyz + 0: axyz +MK: QQ + +/(?(DEFINE)(a(*ACCEPT:X)))(?1)b/ + abc + 0: ab +MK: X + +/a(*F:X)b/ + abc +No match, mark = X + +/(?(DEFINE)(a(*F:X)))(?1)b/ + abc +No match, mark = X + +/a(*COMMIT:X)b/ + abc + 0: ab +MK: X + +/(?(DEFINE)(a(*COMMIT:X)))(?1)b/ + abc + 0: ab +MK: X + +/a+(*:Z)b(*COMMIT:X)(*SKIP:Z)c|.*/ + aaaabd + 0: bd + +/a+(*:Z)b(*COMMIT:X)(*SKIP:X)c|.*/ + aaaabd +No match, mark = X + +/a(*COMMIT:X)b/ + axabc +No match, mark = X + +#pattern -no_start_optimize +#subject -mark + +/(.COMMIT)(*COMMIT::::::::::interal error:::)/ + +/(*COMMIT:ÿÿ)/ + +/(*COMMIT:]w)/ + +/(?i)A(?^)B(?^x:C D)(?^i)e f/ + aBCDE F + 0: aBCDE F +\= Expect no match + aBCDEF +No match + AbCDe f +No match + +# End of testinput1