From 5f318627d716c0e353f33fe412ad9bbd50c7e340 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Mon, 27 Mar 2017 15:08:43 +0200 Subject: Update tests for PCRE version 8.40 --- lib/stdlib/test/re_SUITE_data/testoutput2 | 2396 ++++++++++++++++++++++++++--- 1 file changed, 2218 insertions(+), 178 deletions(-) (limited to 'lib/stdlib/test/re_SUITE_data/testoutput2') diff --git a/lib/stdlib/test/re_SUITE_data/testoutput2 b/lib/stdlib/test/re_SUITE_data/testoutput2 index fd958c2eb7..811bbefc84 100644 --- a/lib/stdlib/test/re_SUITE_data/testoutput2 +++ b/lib/stdlib/test/re_SUITE_data/testoutput2 @@ -7,9 +7,12 @@ NOTE: This is a non-UTF set of tests. When UTF support is needed, use test 5, and if Unicode Property Support is needed, use test 7. --/ + +< forbid 8W /(a)b|/I Capturing subpattern count = 1 +May match empty string No options No first char No need char @@ -175,7 +178,7 @@ No options No first char No need char Subject length lower bound = 3 -Starting byte set: c d e +Starting chars: c d e this sentence eventually mentions a cat 0: cat this sentences rambles on and on for a while and then reaches elephant @@ -187,7 +190,7 @@ Options: caseless No first char No need char Subject length lower bound = 3 -Starting byte set: C D E c d e +Starting chars: C D E c d e this sentence eventually mentions a CAT cat 0: CAT this sentences rambles on and on for a while to elephant ElePhant @@ -199,7 +202,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b c d +Starting chars: a b c d /(a|[^\dZ])/IS Capturing subpattern count = 1 @@ -207,7 +210,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a +Starting chars: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y [ \ ] ^ _ ` a b c d @@ -228,7 +231,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: \x09 \x0a \x0c \x0d \x20 a b +Starting chars: \x09 \x0a \x0b \x0c \x0d \x20 a b /(ab\2)/ Failed: reference to non-existent subpattern at offset 6 @@ -416,7 +419,7 @@ Need char = '>' /(?U)<.*>/I Capturing subpattern count = 0 -Options: ungreedy +No options First char = '<' Need char = '>' abcghinop @@ -440,7 +443,7 @@ Need char = '=' /(?U)={3,}?/I Capturing subpattern count = 0 -Options: ungreedy +No options First char = '=' Need char = '=' abc========def @@ -474,7 +477,7 @@ Failed: lookbehind assertion is not fixed length at offset 12 /(?i)abc/I Capturing subpattern count = 0 -Options: caseless +No options First char = 'a' (caseless) Need char = 'c' (caseless) @@ -486,7 +489,7 @@ No need char /(?i)^1234/I Capturing subpattern count = 0 -Options: anchored caseless +Options: anchored No first char No need char @@ -498,7 +501,8 @@ No need char /(?s).*/I Capturing subpattern count = 0 -Options: anchored dotall +May match empty string +Options: anchored No first char No need char @@ -508,23 +512,23 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b c d +Starting chars: a b c d /(?i)[abcd]/IS Capturing subpattern count = 0 -Options: caseless +No options No first char No need char Subject length lower bound = 1 -Starting byte set: A B C D a b c d +Starting chars: A B C D a b c d /(?m)[xy]|(b|c)/IS Capturing subpattern count = 1 -Options: multiline +No options No first char No need char Subject length lower bound = 1 -Starting byte set: b c x y +Starting chars: b c x y /(^a|^b)/Im Capturing subpattern count = 1 @@ -534,7 +538,7 @@ No need char /(?i)(^a|^b)/Im Capturing subpattern count = 1 -Options: caseless multiline +Options: multiline First char at start or follows newline No need char @@ -545,19 +549,19 @@ Failed: conditional group contains more than two branches at offset 13 Failed: conditional group contains more than two branches at offset 12 /(?(1a)/ -Failed: missing ) at offset 6 +Failed: malformed number or name after (?( at offset 4 /(?(1a))/ -Failed: reference to non-existent subpattern at offset 6 +Failed: malformed number or name after (?( at offset 4 /(?(?i))/ -Failed: assertion expected after (?( at offset 3 +Failed: assertion expected after (?( or (?(?C) at offset 3 /(?(abc))/ Failed: reference to non-existent subpattern at offset 7 /(?(?.*)(?<=(abcd)|(xyz))/I Capturing subpattern count = 2 Max lookbehind = 4 +May match empty string No options No first char No need char @@ -1173,7 +1179,7 @@ No need char End ------------------------------------------------------------------ Capturing subpattern count = 1 -Options: anchored dotall +Options: anchored No first char No need char @@ -1377,6 +1383,7 @@ Need char = 'c' /a*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -1395,6 +1402,7 @@ Need char = 'a' /a{0,3}/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -1558,30 +1566,35 @@ Need char = 'b' /a(?(1)b)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' No need char /a(?(1)bag|big)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' Need char = 'g' /a(?(1)bag|big)*(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' No need char /a(?(1)bag|big)+(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' Need char = 'g' /a(?(1)b..|b..)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' Need char = 'b' @@ -1594,6 +1607,7 @@ Need char = 'e' /a?b?/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -1612,6 +1626,7 @@ No match /|-/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -1632,7 +1647,7 @@ Options: anchored No first char Need char = 'd' Subject length lower bound = 4 -No set of starting bytes +No starting char list /\( # ( at start (?: # Non-capturing bracket @@ -1865,7 +1880,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z +Starting chars: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z /^[[:ascii:]]/DZ @@ -1927,7 +1942,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: \x09 \x0a \x0b \x0c \x0d \x20 +Starting chars: \x09 \x0a \x0b \x0c \x0d \x20 /^[[:cntrl:]]/DZ ------------------------------------------------------------------ @@ -2625,6 +2640,7 @@ Need char = '-' End ------------------------------------------------------------------ Capturing subpattern count = 0 +May match empty string Options: extended No first char No need char @@ -2644,7 +2660,7 @@ No need char /[\s]/DZ ------------------------------------------------------------------ Bra - [\x09\x0a\x0c\x0d ] + [\x09-\x0d ] Ket End ------------------------------------------------------------------ @@ -2656,7 +2672,7 @@ No need char /[\S]/DZ ------------------------------------------------------------------ Bra - [\x00-\x08\x0b\x0e-\x1f!-\xff] (neg) + [\x00-\x08\x0e-\x1f!-\xff] (neg) Ket End ------------------------------------------------------------------ @@ -2719,7 +2735,7 @@ No match End ------------------------------------------------------------------ Capturing subpattern count = 0 -Options: caseless extended +Options: extended First char = 'a' (caseless) Need char = 'c' (caseless) @@ -2732,7 +2748,7 @@ Need char = 'c' (caseless) End ------------------------------------------------------------------ Capturing subpattern count = 0 -Options: caseless extended +Options: extended First char = 'a' (caseless) Need char = 'c' (caseless) @@ -2767,6 +2783,7 @@ Need char = '0' End ------------------------------------------------------------------ Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -2866,6 +2883,7 @@ No match End ------------------------------------------------------------------ Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -2882,20 +2900,41 @@ No options First char = 'x' No need char -/x{1,3}+/DZ +/x{1,3}+/BZO ------------------------------------------------------------------ Bra - Once x - x{0,2} + x{0,2}+ + Ket + End +------------------------------------------------------------------ + +/x{1,3}+/BZOi +------------------------------------------------------------------ + Bra + /i x + /i x{0,2}+ Ket + End +------------------------------------------------------------------ + +/[^x]{1,3}+/BZO +------------------------------------------------------------------ + Bra + [^x] + [^x]{0,2}+ + Ket + End +------------------------------------------------------------------ + +/[^x]{1,3}+/BZOi +------------------------------------------------------------------ + Bra + /i [^x] + /i [^x]{0,2}+ Ket End ------------------------------------------------------------------ -Capturing subpattern count = 0 -No options -First char = 'x' -No need char /(x)*+/DZ ------------------------------------------------------------------ @@ -2908,12 +2947,14 @@ No need char End ------------------------------------------------------------------ Capturing subpattern count = 1 +May match empty string No options No first char No need char /^(\w++|\s++)*$/I Capturing subpattern count = 1 +May match empty string Options: anchored No first char No need char @@ -3054,7 +3095,7 @@ Need char = 'b' End ------------------------------------------------------------------ Capturing subpattern count = 0 -Options: ungreedy +No options First char = 'x' Need char = 'b' xaaaab @@ -3075,7 +3116,7 @@ Need char = 'b' [bc]+ Ket CBra 5 - \w* + \w*+ Ket Ket Ket @@ -3142,6 +3183,10 @@ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1 /\U/I Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1 +/a{1,3}b/U + ab + 0: ab + /[/I Failed: missing terminating ] for character class at offset 1 @@ -3154,7 +3199,7 @@ Failed: missing terminating ] for character class at offset 10 /[\s]/IDZ ------------------------------------------------------------------ Bra - [\x09\x0a\x0c\x0d ] + [\x09-\x0d ] Ket End ------------------------------------------------------------------ @@ -3289,6 +3334,7 @@ Need char = 'b' /(?=a).*/I Capturing subpattern count = 0 +May match empty string No options First char = 'a' No need char @@ -3307,6 +3353,7 @@ Need char = 'z' (caseless) /(?=a)(?=b)/I Capturing subpattern count = 0 +May match empty string No options First char = 'a' No need char @@ -3337,24 +3384,28 @@ Need char = 'a' /(?(1)ab|ac)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' No need char /(?(1)abz|acz)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options First char = 'a' Need char = 'z' /(?(1)abz)(.)/I Capturing subpattern count = 1 +Max back reference = 1 No options No first char No need char /(?(1)abz)(1)23/I Capturing subpattern count = 1 +Max back reference = 1 No options No first char Need char = '3' @@ -3373,6 +3424,7 @@ Need char = 'a' /(a)*/I Capturing subpattern count = 1 +May match empty string No options No first char No need char @@ -3395,7 +3447,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b +Starting chars: a b /[^a]/I Capturing subpattern count = 0 @@ -3415,7 +3467,7 @@ No options No first char Need char = '6' Subject length lower bound = 4 -Starting byte set: 0 1 2 3 4 5 6 7 8 9 +Starting chars: 0 1 2 3 4 5 6 7 8 9 /a^b/I Capturing subpattern count = 0 @@ -3445,11 +3497,11 @@ Need char = 'c' /(?i)[ab]/IS Capturing subpattern count = 0 -Options: caseless +No options No first char No need char Subject length lower bound = 1 -Starting byte set: A B a b +Starting chars: A B a b /[ab](?i)cd/IS Capturing subpattern count = 0 @@ -3457,7 +3509,7 @@ No options No first char Need char = 'd' (caseless) Subject length lower bound = 3 -Starting byte set: a b +Starting chars: a b /abc(?C)def/I Capturing subpattern count = 0 @@ -3498,7 +3550,7 @@ No options No first char Need char = 'f' Subject length lower bound = 7 -Starting byte set: 0 1 2 3 4 5 6 7 8 9 +Starting chars: 0 1 2 3 4 5 6 7 8 9 1234abcdef --->1234abcdef 1 ^ \d @@ -3601,6 +3653,7 @@ No match /(?C0)(abc(?C1))*/I Capturing subpattern count = 1 +May match empty string No options No first char No need char @@ -3634,6 +3687,7 @@ No need char /(\d{3}(?C))*/I Capturing subpattern count = 1 +May match empty string No options No first char No need char @@ -3769,20 +3823,6 @@ Need char = 'b' abbbbbccc\C*1 --->abbbbbccc 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ -Callout data = 1 - 1 ^ ^ Callout data = 1 No match @@ -3829,7 +3869,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b +Starting chars: a b /(?R)/I Failed: recursive call could loop indefinitely at offset 3 @@ -3880,6 +3920,7 @@ Failed: recursive call could loop indefinitely at offset 16 /^([^()]|\((?1)*\))*$/I Capturing subpattern count = 1 +May match empty string Options: anchored No first char No need char @@ -4159,6 +4200,7 @@ Named capturing subpatterns: one 1 three 3 two 2 +May match empty string Options: anchored caseless No first char No need char @@ -4258,6 +4300,7 @@ Need char = 'z' /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a/Is Capturing subpattern count = 31 +May match empty string Options: anchored dotall No first char No need char @@ -4265,6 +4308,7 @@ No need char /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\31/Is Capturing subpattern count = 31 Max back reference = 31 +May match empty string Options: dotall No first char No need char @@ -4272,6 +4316,7 @@ No need char /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\32/Is Capturing subpattern count = 32 Max back reference = 32 +May match empty string Options: dotall No first char No need char @@ -4423,6 +4468,7 @@ Capturing subpattern count = 2 Named capturing subpatterns: Tes 1 Test 2 +May match empty string No options No first char No need char @@ -4441,6 +4487,7 @@ Capturing subpattern count = 2 Named capturing subpatterns: Tes 2 Test 1 +May match empty string No options No first char No need char @@ -4518,6 +4565,7 @@ Need char = ']' End ------------------------------------------------------------------ Capturing subpattern count = 2 +May match empty string No options No first char No need char @@ -4538,6 +4586,7 @@ No need char End ------------------------------------------------------------------ Capturing subpattern count = 2 +May match empty string No options No first char No need char @@ -4569,6 +4618,7 @@ No need char End ------------------------------------------------------------------ Capturing subpattern count = 2 +May match empty string No options No first char No need char @@ -4576,9 +4626,7 @@ No need char /[ab]{1}+/DZ ------------------------------------------------------------------ Bra - Once - [ab]{1,1} - Ket + [ab]{1,1}+ Ket End ------------------------------------------------------------------ @@ -4602,7 +4650,7 @@ Options: caseless No first char Need char = 'g' (caseless) Subject length lower bound = 8 -No set of starting bytes +No starting char list Baby Bjorn Active Carrier - With free SHIPPING!! 0: Baby Bjorn Active Carrier - With free SHIPPING!! 1: Baby Bjorn Active Carrier - With free SHIPPING!! @@ -4621,7 +4669,7 @@ No options No first char Need char = 'b' Subject length lower bound = 1 -No set of starting bytes +No starting char list /(a|b)*.?c/ISDZ ------------------------------------------------------------------ @@ -4642,7 +4690,7 @@ No options No first char Need char = 'c' Subject length lower bound = 1 -No set of starting bytes +No starting char list /abc(?C255)de(?C)f/DZ ------------------------------------------------------------------ @@ -4715,7 +4763,7 @@ Options: No first char Need char = 'b' Subject length lower bound = 1 -Starting byte set: a b +Starting chars: a b ab --->ab +0 ^ a* @@ -4858,7 +4906,7 @@ Options: No first char Need char = 'x' Subject length lower bound = 4 -Starting byte set: a d +Starting chars: a d abcx --->abcx +0 ^ (abc|def) @@ -5092,7 +5140,7 @@ Options: No first char No need char Subject length lower bound = 2 -Starting byte set: a b x +Starting chars: a b x Note: that { does NOT introduce a quantifier --->Note: that { does NOT introduce a quantifier +0 ^ ([ab]{,4}c|xy) @@ -5290,7 +5338,7 @@ No match Callout 255 0 21 CBra 1 Callout 255 1 9 - [ab]{1,4} + [ab]{1,4}+ Callout 255 10 1 c Callout 255 11 0 @@ -5303,7 +5351,7 @@ No match Ket CBra 1 Callout 255 1 9 - [ab]{1,4} + [ab]{1,4}+ Callout 255 10 1 c Callout 255 11 0 @@ -5316,7 +5364,7 @@ No match Ket CBra 1 Callout 255 1 9 - [ab]{1,4} + [ab]{1,4}+ Callout 255 10 1 c Callout 255 11 0 @@ -5329,7 +5377,7 @@ No match Ket CBra 1 Callout 255 1 9 - [ab]{1,4} + [ab]{1,4}+ Callout 255 10 1 c Callout 255 11 0 @@ -5343,7 +5391,7 @@ No match Braminzero CBra 1 Callout 255 1 9 - [ab]{1,4} + [ab]{1,4}+ Callout 255 10 1 c Callout 255 11 0 @@ -5397,6 +5445,7 @@ Need char = '3' /\b.*/I Capturing subpattern count = 0 Max lookbehind = 1 +May match empty string No options No first char No need char @@ -5406,6 +5455,7 @@ No need char /\b.*/Is Capturing subpattern count = 0 Max lookbehind = 1 +May match empty string Options: dotall No first char No need char @@ -5414,6 +5464,7 @@ No need char /(?!.bcd).*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -5563,13 +5614,17 @@ No match 123456\P No match +//KF>testsavedregex +Compiled pattern written to testsavedregex +Study data written to testsavedregex + /abc/IS>testsavedregex Capturing subpattern count = 0 No options First char = 'a' Need char = 'c' Subject length lower bound = 3 -No set of starting bytes +No starting char list Compiled pattern written to testsavedregex Study data written to testsavedregex (?R))\)[^()]*)*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -6024,6 +6081,7 @@ No need char /[^()]*(?:\((?R)\))*[^()]*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -6034,6 +6092,7 @@ No need char /(?:\((?R)\))*[^()]*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -6046,6 +6105,7 @@ No need char /(?:\((?R)\))|[^()]*/I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -6095,6 +6155,17 @@ no parentheses with name "Z" 2: a1 copy substring Z failed -7 C a1 (2) A + +/(?|(?)(?)(?)|(?)(?)(?))/IJ +Capturing subpattern count = 3 +Named capturing subpatterns: + a 1 + a 3 + b 2 +May match empty string +Options: dupnames +No first char +No need char /^(?Pa)(?Pb)/IJ Capturing subpattern count = 2 @@ -6228,7 +6299,7 @@ Capturing subpattern count = 3 Named capturing subpatterns: A 2 A 3 -Options: anchored dupnames +Options: anchored Duplicate name status changes No first char No need char @@ -6278,6 +6349,7 @@ No need char /^(?Pa)?(?(A)a|b)/I Capturing subpattern count = 1 +Max back reference = 1 Named capturing subpatterns: A 1 Options: anchored @@ -6295,6 +6367,7 @@ No match /(?:(?(ZZ)a|b)(?PX))+/I Capturing subpattern count = 1 +Max back reference = 1 Named capturing subpatterns: ZZ 1 No options @@ -6305,13 +6378,14 @@ Need char = 'X' 1: X /(?:(?(2y)a|b)(X))+/I -Failed: reference to non-existent subpattern at offset 9 +Failed: malformed number or name after (?( at offset 7 /(?:(?(ZA)a|b)(?PX))+/I Failed: reference to non-existent subpattern at offset 9 /(?:(?(ZZ)a|b)(?(ZZ)a|b)(?PX))+/I Capturing subpattern count = 1 +Max back reference = 1 Named capturing subpatterns: ZZ 1 No options @@ -6323,6 +6397,7 @@ Need char = 'X' /(?:(?(ZZ)a|\(b\))\\(?PX))+/I Capturing subpattern count = 1 +Max back reference = 1 Named capturing subpatterns: ZZ 1 No options @@ -6377,9 +6452,9 @@ No options No first char Need char = ',' Subject length lower bound = 1 -Starting byte set: \x09 \x0a \x0c \x0d \x20 , +Starting chars: \x09 \x0a \x0b \x0c \x0d \x20 , \x0b,\x0b - 0: , + 0: \x0b,\x0b \x0c,\x0d 0: \x0c,\x0d @@ -6488,7 +6563,7 @@ No match No match /^abc/Im -Unknown newline type at: +Unknown modifier at: /abc/I @@ -6497,12 +6572,13 @@ No options First char = 'a' Need char = 'c' xyz\rabc\ -Unknown newline type at: +Unknown escape sequence at: abc 0: abc /.*/I Capturing subpattern count = 0 +May match empty string Options: Forced newline sequence: LF First char at start or follows newline @@ -6544,6 +6620,7 @@ Need char = 'f' +((?:\s|//.*\\n|/[*](?:\\n|.)*?[*]/)*)+I Capturing subpattern count = 1 +May match empty string No options No first char No need char @@ -6682,7 +6759,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: C a b c d +Starting chars: C a b c d /()[ab]xyz/IS Capturing subpattern count = 1 @@ -6690,7 +6767,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b +Starting chars: a b /(|)[ab]xyz/IS Capturing subpattern count = 1 @@ -6698,7 +6775,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b +Starting chars: a b /(|c)[ab]xyz/IS Capturing subpattern count = 1 @@ -6706,7 +6783,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b c +Starting chars: a b c /(|c?)[ab]xyz/IS Capturing subpattern count = 1 @@ -6714,7 +6791,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b c +Starting chars: a b c /(d?|c?)[ab]xyz/IS Capturing subpattern count = 1 @@ -6722,7 +6799,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b c d +Starting chars: a b c d /(d?|c)[ab]xyz/IS Capturing subpattern count = 1 @@ -6730,7 +6807,7 @@ No options No first char Need char = 'z' Subject length lower bound = 4 -Starting byte set: a b c d +Starting chars: a b c d /^a*b\d/DZ ------------------------------------------------------------------ @@ -6823,7 +6900,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b c d +Starting chars: a b c d /(a+|b*)[cd]/IS Capturing subpattern count = 1 @@ -6831,7 +6908,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b c d +Starting chars: a b c d /(a*|b+)[cd]/IS Capturing subpattern count = 1 @@ -6839,7 +6916,7 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: a b c d +Starting chars: a b c d /(a+|b+)[cd]/IS Capturing subpattern count = 1 @@ -6847,7 +6924,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((( (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((( @@ -7467,7 +7544,7 @@ Matched, but too many substrings /a*[^a]/BZ ------------------------------------------------------------------ Bra - a* + a*+ [^a] Ket End @@ -7609,7 +7686,7 @@ No match ------------------------------------------------------------------ Bra ^ - [a-z]+ + [a-z]++ Ket End ------------------------------------------------------------------ @@ -7650,7 +7727,7 @@ No match ^ CBra 1 Cond - 2 Cond nref + 2 Cond ref y Ket [()] @@ -7710,6 +7787,7 @@ Named capturing subpatterns: one 1 three 3 two 2 +May match empty string Options: anchored caseless No first char No need char @@ -7792,7 +7870,7 @@ No match Failed: malformed number or name after (?( at offset 6 /(?(''))/ -Failed: assertion expected after (?( at offset 4 +Failed: assertion expected after (?( or (?(?C) at offset 4 /(?('R')stuff)/ Failed: reference to non-existent subpattern at offset 7 @@ -7809,15 +7887,9 @@ Failed: reference to non-existent subpattern at offset 7 1: abcabc1Xabc2XabcX 2: abcabc1Xabc2XabcX -/(? (?'B' abc (?(R) (?(R&1)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x +/(? (?'B' abc (?(R) (?(R&C)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x Failed: reference to non-existent subpattern at offset 29 -/(?<1> (?'B' abc (?(R) (?(R&1)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x - abcabc1Xabc2XabcXabcabc - 0: abcabc1Xabc2XabcX - 1: abcabc1Xabc2XabcX - 2: abcabc1Xabc2XabcX - /^(?(DEFINE) abc | xyz ) /x Failed: DEFINE group contains more than one branch at offset 22 @@ -8041,7 +8113,7 @@ Failed: a numbered reference must not be zero at offset 8 /^(a)\g{3/ Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 8 -/^(a)\g{4a}/ +/^(a)\g{aa}/ Failed: reference to non-existent subpattern at offset 9 /^a.b/ @@ -8546,7 +8618,7 @@ No match \d \v++ \w - \v+ + \v++ \S \v++ \V @@ -8644,27 +8716,18 @@ No match +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) - +4 ^ ^ c+ - +2 ^ ^ b? - +4 ^ ^ c+ - +2 ^^ b? - +4 ^^ c+ +0 ^ a+ +2 ^ ^ b? +4 ^ ^ c+ +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) - +4 ^ ^ c+ - +2 ^^ b? - +4 ^^ c+ +0 ^ a+ +2 ^^ b? +4 ^ ^ c+ +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) +6 ^ ^ (*FAIL) - +4 ^^ c+ No match /a+b?(*PRUNE)c+(*FAIL)/C @@ -9072,10 +9135,10 @@ Failed: subpattern name expected at offset 3 Failed: subpattern name expected at offset 3 /\k/ -Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 2 +Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 1 /\kabc/ -Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 5 +Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 1 /(?P=)/ Failed: subpattern name expected at offset 4 @@ -9123,7 +9186,7 @@ Failed: unknown POSIX class name at offset 6 Failed: unknown POSIX class name at offset 3 /(^(a|b\g<-1'c))/ -Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 15 +Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 8 /^(?+1)(?x|y){0}z/ xzxx @@ -9233,8 +9296,28 @@ No match ab No match -/a(?!)+b/ -Failed: nothing to repeat at offset 5 +/a(?!)b/BZ +------------------------------------------------------------------ + Bra + a + *FAIL + b + Ket + End +------------------------------------------------------------------ + +/(?!)?a/BZ +------------------------------------------------------------------ + Bra + Brazero + Assert not + Ket + a + Ket + End +------------------------------------------------------------------ + ab + 0: a /a(*FAIL)+b/ Failed: nothing to repeat at offset 8 @@ -9245,10 +9328,11 @@ No options No first char No need char Subject length lower bound = 1 -Starting byte set: x y z +Starting chars: x y z /(?(?=.*b)b|^)/CI Capturing subpattern count = 0 +May match empty string Options: No first char No need char @@ -9296,7 +9380,7 @@ No need char /(?(?=.*b).*b|^d)/I Capturing subpattern count = 0 No options -First char at start or follows newline +No first char No need char /xyz/C @@ -9353,7 +9437,7 @@ No match No match /(*NO_START_OPT)xyz/C - abcxyz + abcxyz --->abcxyz +15 ^ x +15 ^ x @@ -9363,6 +9447,15 @@ No match +17 ^ ^ z +18 ^ ^ 0: xyz + +/(*NO_AUTO_POSSESS)a+b/BZ +------------------------------------------------------------------ + Bra + a+ + b + Ket + End +------------------------------------------------------------------ /xyz/CY abcxyz @@ -10024,7 +10117,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(a|bc)\1{2,3}/SI Capturing subpattern count = 1 @@ -10033,7 +10126,7 @@ No options No first char No need char Subject length lower bound = 3 -Starting byte set: a b +Starting chars: a b /(a|bc)(?1)/SI Capturing subpattern count = 1 @@ -10041,7 +10134,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(a|b\1)(a|b\1)/SI Capturing subpattern count = 2 @@ -10050,7 +10143,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(a|b\1){2}/SI Capturing subpattern count = 1 @@ -10059,7 +10152,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(a|bbbb\1)(a|bbbb\1)/SI Capturing subpattern count = 2 @@ -10068,7 +10161,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /(a|bbbb\1){2}/SI Capturing subpattern count = 1 @@ -10077,7 +10170,7 @@ No options No first char No need char Subject length lower bound = 2 -Starting byte set: a b +Starting chars: a b /^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]/SI Capturing subpattern count = 1 @@ -10085,7 +10178,7 @@ Options: anchored No first char Need char = ':' Subject length lower bound = 22 -No set of starting bytes +No starting char list /]{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>/isIS Capturing subpattern count = 11 @@ -10093,7 +10186,7 @@ Options: caseless dotall First char = '<' Need char = '>' Subject length lower bound = 47 -No set of starting bytes +No starting char list "(?>.*/)foo"SI Capturing subpattern count = 0 @@ -10101,7 +10194,7 @@ No options No first char Need char = 'o' Subject length lower bound = 4 -No set of starting bytes +No starting char list /(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /xSI Capturing subpattern count = 0 @@ -10109,7 +10202,7 @@ Options: extended No first char Need char = '-' Subject length lower bound = 8 -No set of starting bytes +No starting char list /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/iSI Capturing subpattern count = 1 @@ -10117,7 +10210,7 @@ Options: caseless No first char No need char Subject length lower bound = 1 -Starting byte set: A B C a b c +Starting chars: A B C a b c /(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/SI Capturing subpattern count = 0 @@ -10125,7 +10218,7 @@ No options No first char Need char = 'b' Subject length lower bound = 41 -Starting byte set: c d +Starting chars: c d /A)|(?B))/I Capturing subpattern count = 1 Named capturing subpatterns: a 1 - a 1 No options No first char No need char @@ -10180,6 +10273,7 @@ Failed: different names for subpatterns of the same number are not allowed at of b(? (?')|(?")) ) (?('quote')[a-z]+|[0-9]+)/JIx Capturing subpattern count = 6 +Max back reference = 1 Named capturing subpatterns: apostrophe 2 apostrophe 5 @@ -10233,7 +10327,7 @@ No match Ket Ket Cond - 4 Cond nref + Cond ref 2 X Alt Y @@ -10242,6 +10336,7 @@ No match End ------------------------------------------------------------------ Capturing subpattern count = 4 +Max back reference = 4 Named capturing subpatterns: D 4 D 1 @@ -10279,7 +10374,7 @@ No match CBra 4 d Cond - Cond nrecurse 1 + Cond recurse 2 $ Alt Recurse @@ -10289,6 +10384,7 @@ No match End ------------------------------------------------------------------ Capturing subpattern count = 4 +Max back reference = 1 Named capturing subpatterns: A 1 A 4 @@ -10379,7 +10475,7 @@ Options: No first char Need char = 'a' Subject length lower bound = 1 -No set of starting bytes +No starting char list cat 0: a 1: @@ -10393,7 +10489,7 @@ No options No first char Need char = 'a' Subject length lower bound = 3 -No set of starting bytes +No starting char list cat No match @@ -10405,17 +10501,18 @@ No options First char = 'i' No need char Subject length lower bound = 1 -No set of starting bytes +No starting char list i 0: i /()i(?(1)a)/SI Capturing subpattern count = 1 +Max back reference = 1 No options No first char Need char = 'i' Subject length lower bound = 1 -Starting byte set: i +Starting chars: i ia 0: ia 1: @@ -11009,7 +11106,7 @@ No options First char = 'a' Need char = '4' Subject length lower bound = 5 -No set of starting bytes +No starting char list /([abc])++1234/SI Capturing subpattern count = 1 @@ -11017,7 +11114,7 @@ No options No first char Need char = '4' Subject length lower bound = 5 -Starting byte set: a b c +Starting chars: a b c /(?<=(abc)+)X/ Failed: lookbehind assertion is not fixed length at offset 10 @@ -11036,12 +11133,14 @@ No need char /(^ab|^)+/I Capturing subpattern count = 1 +May match empty string Options: anchored No first char No need char /(^ab|^)++/I Capturing subpattern count = 1 +May match empty string Options: anchored No first char No need char @@ -11060,12 +11159,14 @@ No need char /(?:^ab|^)+/I Capturing subpattern count = 0 +May match empty string Options: anchored No first char No need char /(?:^ab|^)++/I Capturing subpattern count = 0 +May match empty string Options: anchored No first char No need char @@ -11084,12 +11185,14 @@ Need char = 'b' /(.*ab|.*)+/I Capturing subpattern count = 1 +May match empty string No options First char at start or follows newline No need char /(.*ab|.*)++/I Capturing subpattern count = 1 +May match empty string No options First char at start or follows newline No need char @@ -11108,12 +11211,14 @@ Need char = 'b' /(?:.*ab|.*)+/I Capturing subpattern count = 0 +May match empty string No options First char at start or follows newline No need char /(?:.*ab|.*)++/I Capturing subpattern count = 0 +May match empty string No options First char at start or follows newline No need char @@ -11290,7 +11395,7 @@ No options No first char No need char Subject length lower bound = 1 -No set of starting bytes +No starting char list /(a(?2)|b)(b(?1)|a)(?:(?1)|(?2))/SI Capturing subpattern count = 2 @@ -11298,7 +11403,7 @@ No options No first char No need char Subject length lower bound = 3 -Starting byte set: a b +Starting chars: a b /(a(?2)|b)(b(?1)|a)(?1)(?2)/SI Capturing subpattern count = 2 @@ -11306,7 +11411,7 @@ No options No first char No need char Subject length lower bound = 4 -Starting byte set: a b +Starting chars: a b /(abc)(?1)/SI Capturing subpattern count = 1 @@ -11314,7 +11419,7 @@ No options First char = 'a' Need char = 'c' Subject length lower bound = 6 -No set of starting bytes +No starting char list /^(?>a)++/ aa\M @@ -11519,7 +11624,7 @@ Matched, but too many substrings Assert not a Ket - \w+ + \w++ Ket End ------------------------------------------------------------------ @@ -11632,7 +11737,7 @@ No options First char = 't' Need char = 't' Subject length lower bound = 18 -No set of starting bytes +No starting char list /\btype\b\W*?\btext\b\W*?\bjavascript\b|\burl\b\W*?\bshell:|a+)(?>b+)(?>c+)(?>d+)(?>e+)/ \Maabbccddee -Minimum match() limit = 12 -Minimum match() recursion limit = 3 +Minimum match() limit = 7 +Minimum match() recursion limit = 2 0: aabbccddee /^(?>(a+))(?>(b+))(?>(c+))(?>(d+))(?>(e+))/ \Maabbccddee -Minimum match() limit = 22 -Minimum match() recursion limit = 21 +Minimum match() limit = 17 +Minimum match() recursion limit = 16 0: aabbccddee 1: aa 2: bb @@ -11795,8 +11901,8 @@ Minimum match() recursion limit = 21 /^(?>(a+))(?>b+)(?>(c+))(?>d+)(?>(e+))/ \Maabbccddee -Minimum match() limit = 18 -Minimum match() recursion limit = 13 +Minimum match() limit = 13 +Minimum match() recursion limit = 10 0: aabbccddee 1: aa 2: cc @@ -11887,7 +11993,10 @@ No match Failed: \N is not supported in a class at offset 3 /a[B-\Nc]/ -Failed: \N is not supported in a class at offset 5 +Failed: invalid range in character class at offset 5 + +/a[B\Nc]/ +Failed: \N is not supported in a class at offset 4 /(a)(?2){0,1999}?(b)/ @@ -12293,6 +12402,7 @@ No need char /(?>.*?)(?<=(abcd)|(wxyz))/I Capturing subpattern count = 2 Max lookbehind = 4 +May match empty string No options No first char No need char @@ -12300,6 +12410,7 @@ No need char /(?>.*)(?<=(abcd)|(wxyz))/I Capturing subpattern count = 2 Max lookbehind = 4 +May match empty string No options No first char No need char @@ -12338,6 +12449,7 @@ Need char = 'c' /.?/S-I Capturing subpattern count = 0 +May match empty string No options No first char No need char @@ -12345,11 +12457,12 @@ Study returned NULL /.?/S!I Capturing subpattern count = 0 +May match empty string No options No first char No need char Subject length lower bound = -1 -No set of starting bytes +No starting char list /(?:(a)+(?C1)bb|aa(?C2)b)/ aab\C+ @@ -12635,7 +12748,7 @@ No options No first char Need char = 'z' Subject length lower bound = 2 -Starting byte set: a z +Starting chars: a z aaaaaaaaaaaaaz Error -21 (recursion limit exceeded) aaaaaaaaaaaaaz\Q1000 @@ -12648,7 +12761,7 @@ No options No first char Need char = 'z' Subject length lower bound = 2 -Starting byte set: a z +Starting chars: a z aaaaaaaaaaaaaz Error -21 (recursion limit exceeded) @@ -12659,10 +12772,1937 @@ No options No first char Need char = 'z' Subject length lower bound = 2 -Starting byte set: a z +Starting chars: a z aaaaaaaaaaaaaz No match aaaaaaaaaaaaaz\Q10 Error -21 (recursion limit exceeded) +/-- This test causes a segfault with Perl 5.18.0 --/ + +/^(?=(a)){0}b(?1)/ + backgammon + 0: ba + +/(?|(?f)|(?b))/JI +Capturing subpattern count = 1 +Named capturing subpatterns: + n 1 +Options: dupnames +No first char +No need char + +/(?abc)(?z)\k()/JDZS +------------------------------------------------------------------ + Bra + CBra 1 + abc + Ket + CBra 2 + z + Ket + \k2 + CBra 3 + Ket + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 3 +Max back reference = 2 +Named capturing subpatterns: + a 1 + a 2 +Options: dupnames +First char = 'a' +Need char = 'z' +Subject length lower bound = 5 +No starting char list + +/a*[bcd]/BZ +------------------------------------------------------------------ + Bra + a*+ + [b-d] + Ket + End +------------------------------------------------------------------ + +/[bcd]*a/BZ +------------------------------------------------------------------ + Bra + [b-d]*+ + a + Ket + End +------------------------------------------------------------------ + +/-- A complete set of tests for auto-possessification of character types --/ + +/\D+\D \D+\d \D+\S \D+\s \D+\W \D+\w \D+. \D+\C \D+\R \D+\H \D+\h \D+\V \D+\v \D+\Z \D+\z \D+$/BZx +------------------------------------------------------------------ + Bra + \D+ + \D + \D++ + \d + \D+ + \S + \D+ + \s + \D+ + \W + \D+ + \w + \D+ + Any + \D+ + AllAny + \D+ + \R + \D+ + \H + \D+ + \h + \D+ + \V + \D+ + \v + \D+ + \Z + \D++ + \z + \D+ + $ + Ket + End +------------------------------------------------------------------ + +/\d+\D \d+\d \d+\S \d+\s \d+\W \d+\w \d+. \d+\C \d+\R \d+\H \d+\h \d+\V \d+\v \d+\Z \d+\z \d+$/BZx +------------------------------------------------------------------ + Bra + \d++ + \D + \d+ + \d + \d+ + \S + \d++ + \s + \d++ + \W + \d+ + \w + \d+ + Any + \d+ + AllAny + \d++ + \R + \d+ + \H + \d++ + \h + \d+ + \V + \d++ + \v + \d++ + \Z + \d++ + \z + \d++ + $ + Ket + End +------------------------------------------------------------------ + +/\S+\D \S+\d \S+\S \S+\s \S+\W \S+\w \S+. \S+\C \S+\R \S+\H \S+\h \S+\V \S+\v \S+\Z \S+\z \S+$/BZx +------------------------------------------------------------------ + Bra + \S+ + \D + \S+ + \d + \S+ + \S + \S++ + \s + \S+ + \W + \S+ + \w + \S+ + Any + \S+ + AllAny + \S++ + \R + \S+ + \H + \S++ + \h + \S+ + \V + \S++ + \v + \S++ + \Z + \S++ + \z + \S++ + $ + Ket + End +------------------------------------------------------------------ + +/\s+\D \s+\d \s+\S \s+\s \s+\W \s+\w \s+. \s+\C \s+\R \s+\H \s+\h \s+\V \s+\v \s+\Z \s+\z \s+$/BZx +------------------------------------------------------------------ + Bra + \s+ + \D + \s++ + \d + \s++ + \S + \s+ + \s + \s+ + \W + \s++ + \w + \s+ + Any + \s+ + AllAny + \s+ + \R + \s+ + \H + \s+ + \h + \s+ + \V + \s+ + \v + \s+ + \Z + \s++ + \z + \s+ + $ + Ket + End +------------------------------------------------------------------ + +/\W+\D \W+\d \W+\S \W+\s \W+\W \W+\w \W+. \W+\C \W+\R \W+\H \W+\h \W+\V \W+\v \W+\Z \W+\z \W+$/BZx +------------------------------------------------------------------ + Bra + \W+ + \D + \W++ + \d + \W+ + \S + \W+ + \s + \W+ + \W + \W++ + \w + \W+ + Any + \W+ + AllAny + \W+ + \R + \W+ + \H + \W+ + \h + \W+ + \V + \W+ + \v + \W+ + \Z + \W++ + \z + \W+ + $ + Ket + End +------------------------------------------------------------------ + +/\w+\D \w+\d \w+\S \w+\s \w+\W \w+\w \w+. \w+\C \w+\R \w+\H \w+\h \w+\V \w+\v \w+\Z \w+\z \w+$/BZx +------------------------------------------------------------------ + Bra + \w+ + \D + \w+ + \d + \w+ + \S + \w++ + \s + \w++ + \W + \w+ + \w + \w+ + Any + \w+ + AllAny + \w++ + \R + \w+ + \H + \w++ + \h + \w+ + \V + \w++ + \v + \w++ + \Z + \w++ + \z + \w++ + $ + Ket + End +------------------------------------------------------------------ + +/\C+\D \C+\d \C+\S \C+\s \C+\W \C+\w \C+. \C+\C \C+\R \C+\H \C+\h \C+\V \C+\v \C+\Z \C+\z \C+$/BZx +------------------------------------------------------------------ + Bra + AllAny+ + \D + AllAny+ + \d + AllAny+ + \S + AllAny+ + \s + AllAny+ + \W + AllAny+ + \w + AllAny+ + Any + AllAny+ + AllAny + AllAny+ + \R + AllAny+ + \H + AllAny+ + \h + AllAny+ + \V + AllAny+ + \v + AllAny+ + \Z + AllAny++ + \z + AllAny+ + $ + Ket + End +------------------------------------------------------------------ + +/\R+\D \R+\d \R+\S \R+\s \R+\W \R+\w \R+. \R+\C \R+\R \R+\H \R+\h \R+\V \R+\v \R+\Z \R+\z \R+$/BZx +------------------------------------------------------------------ + Bra + \R+ + \D + \R++ + \d + \R+ + \S + \R++ + \s + \R+ + \W + \R++ + \w + \R++ + Any + \R+ + AllAny + \R+ + \R + \R+ + \H + \R++ + \h + \R+ + \V + \R+ + \v + \R+ + \Z + \R++ + \z + \R+ + $ + Ket + End +------------------------------------------------------------------ + +/\H+\D \H+\d \H+\S \H+\s \H+\W \H+\w \H+. \H+\C \H+\R \H+\H \H+\h \H+\V \H+\v \H+\Z \H+\z \H+$/BZx +------------------------------------------------------------------ + Bra + \H+ + \D + \H+ + \d + \H+ + \S + \H+ + \s + \H+ + \W + \H+ + \w + \H+ + Any + \H+ + AllAny + \H+ + \R + \H+ + \H + \H++ + \h + \H+ + \V + \H+ + \v + \H+ + \Z + \H++ + \z + \H+ + $ + Ket + End +------------------------------------------------------------------ + +/\h+\D \h+\d \h+\S \h+\s \h+\W \h+\w \h+. \h+\C \h+\R \h+\H \h+\h \h+\V \h+\v \h+\Z \h+\z \h+$/BZx +------------------------------------------------------------------ + Bra + \h+ + \D + \h++ + \d + \h++ + \S + \h+ + \s + \h+ + \W + \h++ + \w + \h+ + Any + \h+ + AllAny + \h++ + \R + \h++ + \H + \h+ + \h + \h+ + \V + \h++ + \v + \h+ + \Z + \h++ + \z + \h+ + $ + Ket + End +------------------------------------------------------------------ + +/\V+\D \V+\d \V+\S \V+\s \V+\W \V+\w \V+. \V+\C \V+\R \V+\H \V+\h \V+\V \V+\v \V+\Z \V+\z \V+$/BZx +------------------------------------------------------------------ + Bra + \V+ + \D + \V+ + \d + \V+ + \S + \V+ + \s + \V+ + \W + \V+ + \w + \V+ + Any + \V+ + AllAny + \V++ + \R + \V+ + \H + \V+ + \h + \V+ + \V + \V++ + \v + \V+ + \Z + \V++ + \z + \V+ + $ + Ket + End +------------------------------------------------------------------ + +/\v+\D \v+\d \v+\S \v+\s \v+\W \v+\w \v+. \v+\C \v+\R \v+\H \v+\h \v+\V \v+\v \v+\Z \v+\z \v+$/BZx +------------------------------------------------------------------ + Bra + \v+ + \D + \v++ + \d + \v++ + \S + \v+ + \s + \v+ + \W + \v++ + \w + \v+ + Any + \v+ + AllAny + \v+ + \R + \v+ + \H + \v++ + \h + \v++ + \V + \v+ + \v + \v+ + \Z + \v++ + \z + \v+ + $ + Ket + End +------------------------------------------------------------------ + +/ a+\D a+\d a+\S a+\s a+\W a+\w a+. a+\C a+\R a+\H a+\h a+\V a+\v a+\Z a+\z a+$/BZx +------------------------------------------------------------------ + Bra + a+ + \D + a++ + \d + a+ + \S + a++ + \s + a++ + \W + a+ + \w + a+ + Any + a+ + AllAny + a++ + \R + a+ + \H + a++ + \h + a+ + \V + a++ + \v + a++ + \Z + a++ + \z + a++ + $ + Ket + End +------------------------------------------------------------------ + +/\n+\D \n+\d \n+\S \n+\s \n+\W \n+\w \n+. \n+\C \n+\R \n+\H \n+\h \n+\V \n+\v \n+\Z \n+\z \n+$/BZx +------------------------------------------------------------------ + Bra + \x0a+ + \D + \x0a++ + \d + \x0a++ + \S + \x0a+ + \s + \x0a+ + \W + \x0a++ + \w + \x0a+ + Any + \x0a+ + AllAny + \x0a+ + \R + \x0a+ + \H + \x0a++ + \h + \x0a++ + \V + \x0a+ + \v + \x0a+ + \Z + \x0a++ + \z + \x0a+ + $ + Ket + End +------------------------------------------------------------------ + +/ .+\D .+\d .+\S .+\s .+\W .+\w .+. .+\C .+\R .+\H .+\h .+\V .+\v .+\Z .+\z .+$/BZx +------------------------------------------------------------------ + Bra + Any+ + \D + Any+ + \d + Any+ + \S + Any+ + \s + Any+ + \W + Any+ + \w + Any+ + Any + Any+ + AllAny + Any++ + \R + Any+ + \H + Any+ + \h + Any+ + \V + Any+ + \v + Any+ + \Z + Any++ + \z + Any+ + $ + Ket + End +------------------------------------------------------------------ + +/ .+\D .+\d .+\S .+\s .+\W .+\w .+. .+\C .+\R .+\H .+\h .+\V .+\v .+\Z .+\z .+$/BZxs +------------------------------------------------------------------ + Bra + AllAny+ + \D + AllAny+ + \d + AllAny+ + \S + AllAny+ + \s + AllAny+ + \W + AllAny+ + \w + AllAny+ + AllAny + AllAny+ + AllAny + AllAny+ + \R + AllAny+ + \H + AllAny+ + \h + AllAny+ + \V + AllAny+ + \v + AllAny+ + \Z + AllAny++ + \z + AllAny+ + $ + Ket + End +------------------------------------------------------------------ + +/\D+$ \d+$ \S+$ \s+$ \W+$ \w+$ \C+$ \R+$ \H+$ \h+$ \V+$ \v+$ a+$ \n+$ .+$ .+$/BZxm +------------------------------------------------------------------ + Bra + \D+ + /m $ + \d++ + /m $ + \S++ + /m $ + \s+ + /m $ + \W+ + /m $ + \w++ + /m $ + AllAny+ + /m $ + \R+ + /m $ + \H+ + /m $ + \h+ + /m $ + \V+ + /m $ + \v+ + /m $ + a+ + /m $ + \x0a+ + /m $ + Any+ + /m $ + Any+ + /m $ + Ket + End +------------------------------------------------------------------ + +/(?=a+)a(a+)++a/BZ +------------------------------------------------------------------ + Bra + Assert + a++ + Ket + a + CBraPos 1 + a++ + KetRpos + a + Ket + End +------------------------------------------------------------------ + +/a+(bb|cc)a+(?:bb|cc)a+(?>bb|cc)a+(?:bb|cc)+a+(aa)a+(?:bb|aa)/BZ +------------------------------------------------------------------ + Bra + a++ + CBra 1 + bb + Alt + cc + Ket + a++ + Bra + bb + Alt + cc + Ket + a++ + Once_NC + bb + Alt + cc + Ket + a++ + Bra + bb + Alt + cc + KetRmax + a+ + CBra 2 + aa + Ket + a+ + Bra + bb + Alt + aa + Ket + Ket + End +------------------------------------------------------------------ + +/a+(bb|cc)?#a+(?:bb|cc)??#a+(?:bb|cc)?+#a+(?:bb|cc)*#a+(bb|cc)?a#a+(?:aa)?/BZ +------------------------------------------------------------------ + Bra + a++ + Brazero + CBra 1 + bb + Alt + cc + Ket + # + a++ + Braminzero + Bra + bb + Alt + cc + Ket + # + a++ + Once + Brazero + Bra + bb + Alt + cc + Ket + Ket + # + a++ + Brazero + Bra + bb + Alt + cc + KetRmax + # + a+ + Brazero + CBra 2 + bb + Alt + cc + Ket + a# + a+ + Brazero + Bra + aa + Ket + Ket + End +------------------------------------------------------------------ + +/a+(?:bb)?a#a+(?:|||)#a+(?:|b)a#a+(?:|||)?a/BZ +------------------------------------------------------------------ + Bra + a+ + Brazero + Bra + bb + Ket + a# + a++ + Bra + Alt + Alt + Alt + Ket + # + a+ + Bra + Alt + b + Ket + a# + a+ + Brazero + Bra + Alt + Alt + Alt + Ket + a + Ket + End +------------------------------------------------------------------ + +/[ab]*/BZ +------------------------------------------------------------------ + Bra + [ab]*+ + Ket + End +------------------------------------------------------------------ + aaaa + 0: aaaa + +/[ab]*?/BZ +------------------------------------------------------------------ + Bra + [ab]*? + Ket + End +------------------------------------------------------------------ + aaaa + 0: + +/[ab]?/BZ +------------------------------------------------------------------ + Bra + [ab]?+ + Ket + End +------------------------------------------------------------------ + aaaa + 0: a + +/[ab]??/BZ +------------------------------------------------------------------ + Bra + [ab]?? + Ket + End +------------------------------------------------------------------ + aaaa + 0: + +/[ab]+/BZ +------------------------------------------------------------------ + Bra + [ab]++ + Ket + End +------------------------------------------------------------------ + aaaa + 0: aaaa + +/[ab]+?/BZ +------------------------------------------------------------------ + Bra + [ab]+? + Ket + End +------------------------------------------------------------------ + aaaa + 0: a + +/[ab]{2,3}/BZ +------------------------------------------------------------------ + Bra + [ab]{2,3}+ + Ket + End +------------------------------------------------------------------ + aaaa + 0: aaa + +/[ab]{2,3}?/BZ +------------------------------------------------------------------ + Bra + [ab]{2,3}? + Ket + End +------------------------------------------------------------------ + aaaa + 0: aa + +/[ab]{2,}/BZ +------------------------------------------------------------------ + Bra + [ab]{2,}+ + Ket + End +------------------------------------------------------------------ + aaaa + 0: aaaa + +/[ab]{2,}?/BZ +------------------------------------------------------------------ + Bra + [ab]{2,}? + Ket + End +------------------------------------------------------------------ + aaaa + 0: aa + +/\d+\s{0,5}=\s*\S?=\w{0,4}\W*/BZ +------------------------------------------------------------------ + Bra + \d++ + \s{0,5}+ + = + \s*+ + \S? + = + \w{0,4}+ + \W*+ + Ket + End +------------------------------------------------------------------ + +/[a-d]{5,12}[e-z0-9]*#[^a-z]+[b-y]*a[2-7]?[^0-9a-z]+/BZ +------------------------------------------------------------------ + Bra + [a-d]{5,12}+ + [0-9e-z]*+ + # + [\x00-`{-\xff] (neg)++ + [b-y]*+ + a + [2-7]?+ + [\x00-/:-`{-\xff] (neg)++ + Ket + End +------------------------------------------------------------------ + +/[a-z]*\s#[ \t]?\S#[a-c]*\S#[C-G]+?\d#[4-8]*\D#[4-9,]*\D#[!$]{0,5}\w#[M-Xf-l]+\W#[a-c,]?\W/BZ +------------------------------------------------------------------ + Bra + [a-z]*+ + \s + # + [\x09 ]?+ + \S + # + [a-c]* + \S + # + [C-G]++ + \d + # + [4-8]*+ + \D + # + [,4-9]* + \D + # + [!$]{0,5}+ + \w + # + [M-Xf-l]++ + \W + # + [,a-c]? + \W + Ket + End +------------------------------------------------------------------ + +/a+(aa|bb)*c#a*(bb|cc)*a#a?(bb|cc)*d#[a-f]*(g|hh)*f/BZ +------------------------------------------------------------------ + Bra + a+ + Brazero + CBra 1 + aa + Alt + bb + KetRmax + c# + a* + Brazero + CBra 2 + bb + Alt + cc + KetRmax + a# + a?+ + Brazero + CBra 3 + bb + Alt + cc + KetRmax + d# + [a-f]* + Brazero + CBra 4 + g + Alt + hh + KetRmax + f + Ket + End +------------------------------------------------------------------ + +/[a-f]*(g|hh|i)*i#[a-x]{4,}(y{0,6})*y#[a-k]+(ll|mm)+n/BZ +------------------------------------------------------------------ + Bra + [a-f]*+ + Brazero + CBra 1 + g + Alt + hh + Alt + i + KetRmax + i# + [a-x]{4,} + Brazero + SCBra 2 + y{0,6} + KetRmax + y# + [a-k]++ + CBra 3 + ll + Alt + mm + KetRmax + n + Ket + End +------------------------------------------------------------------ + +/[a-f]*(?>gg|hh)+#[a-f]*(?>gg|hh)?#[a-f]*(?>gg|hh)*a#[a-f]*(?>gg|hh)*h/BZ +------------------------------------------------------------------ + Bra + [a-f]*+ + Once_NC + gg + Alt + hh + KetRmax + # + [a-f]*+ + Brazero + Once_NC + gg + Alt + hh + Ket + # + [a-f]* + Brazero + Once_NC + gg + Alt + hh + KetRmax + a# + [a-f]*+ + Brazero + Once_NC + gg + Alt + hh + KetRmax + h + Ket + End +------------------------------------------------------------------ + +/[a-c]*d/DZS +------------------------------------------------------------------ + Bra + [a-c]*+ + d + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 0 +No options +No first char +Need char = 'd' +Subject length lower bound = 1 +Starting chars: a b c d + +/[a-c]+d/DZS +------------------------------------------------------------------ + Bra + [a-c]++ + d + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 0 +No options +No first char +Need char = 'd' +Subject length lower bound = 2 +Starting chars: a b c + +/[a-c]?d/DZS +------------------------------------------------------------------ + Bra + [a-c]?+ + d + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 0 +No options +No first char +Need char = 'd' +Subject length lower bound = 1 +Starting chars: a b c d + +/[a-c]{4,6}d/DZS +------------------------------------------------------------------ + Bra + [a-c]{4,6}+ + d + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 0 +No options +No first char +Need char = 'd' +Subject length lower bound = 5 +Starting chars: a b c + +/[a-c]{0,6}d/DZS +------------------------------------------------------------------ + Bra + [a-c]{0,6}+ + d + Ket + End +------------------------------------------------------------------ +Capturing subpattern count = 0 +No options +No first char +Need char = 'd' +Subject length lower bound = 1 +Starting chars: a b c d + +/-- End of special auto-possessive tests --/ + +/^A\o{1239}B/ +Failed: non-octal character in \o{} (closing brace missing?) at offset 8 + +/^A\oB/ +Failed: missing opening brace after \o at offset 3 + +/^A\x{zz}B/ +Failed: non-hex character in \x{} (closing brace missing?) at offset 5 + +/^A\x{12Z/ +Failed: non-hex character in \x{} (closing brace missing?) at offset 7 + +/^A\x{/ +Failed: non-hex character in \x{} (closing brace missing?) at offset 5 + +/[ab]++/BZO +------------------------------------------------------------------ + Bra + [ab]++ + Ket + End +------------------------------------------------------------------ + +/[^ab]*+/BZO +------------------------------------------------------------------ + Bra + [\x00-`c-\xff] (neg)*+ + Ket + End +------------------------------------------------------------------ + +/a{4}+/BZO +------------------------------------------------------------------ + Bra + a{4} + Ket + End +------------------------------------------------------------------ + +/a{4}+/BZOi +------------------------------------------------------------------ + Bra + /i a{4} + Ket + End +------------------------------------------------------------------ + +/[a-[:digit:]]+/ +Failed: invalid range in character class at offset 3 + +/[A-[:digit:]]+/ +Failed: invalid range in character class at offset 3 + +/[a-[.xxx.]]+/ +Failed: invalid range in character class at offset 3 + +/[a-[=xxx=]]+/ +Failed: invalid range in character class at offset 3 + +/[a-[!xxx!]]+/ +Failed: range out of order in character class at offset 3 + +/[A-[!xxx!]]+/ + A]]] + 0: A]]] + +/[a-\d]+/ +Failed: invalid range in character class at offset 4 + +/(?<0abc>xx)/ +Failed: group name must start with a non-digit at offset 3 + +/(?&1abc)xx(?<1abc>y)/ +Failed: group name must start with a non-digit at offset 3 + +/(?xx)/ +Failed: syntax error in subpattern name (missing terminator) at offset 5 + +/(?'0abc'xx)/ +Failed: group name must start with a non-digit at offset 3 + +/(?P<0abc>xx)/ +Failed: group name must start with a non-digit at offset 4 + +/\k<5ghj>/ +Failed: group name must start with a non-digit at offset 3 + +/\k'5ghj'/ +Failed: group name must start with a non-digit at offset 3 + +/\k{2fgh}/ +Failed: group name must start with a non-digit at offset 3 + +/(?P=8yuki)/ +Failed: group name must start with a non-digit at offset 4 + +/\g{4df}/ +Failed: group name must start with a non-digit at offset 3 + +/(?&1abc)xx(?<1abc>y)/ +Failed: group name must start with a non-digit at offset 3 + +/(?P>1abc)xx(?<1abc>y)/ +Failed: group name must start with a non-digit at offset 4 + +/\g'3gh'/ +Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 2 + +/\g<5fg>/ +Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 2 + +/(?(<4gh>)abc)/ +Failed: group name must start with a non-digit at offset 4 + +/(?('4gh')abc)/ +Failed: group name must start with a non-digit at offset 4 + +/(?(4gh)abc)/ +Failed: malformed number or name after (?( at offset 4 + +/(?(R&6yh)abc)/ +Failed: group name must start with a non-digit at offset 5 + +/(((a\2)|(a*)\g<-1>))*a?/BZ +------------------------------------------------------------------ + Bra + Brazero + SCBra 1 + Once + CBra 2 + CBra 3 + a + \2 + Ket + Alt + CBra 4 + a* + Ket + Recurse + Ket + Ket + KetRmax + a?+ + Ket + End +------------------------------------------------------------------ + +/-- Test the ugly "start or end of word" compatibility syntax --/ + +/[[:<:]]red[[:>:]]/BZ +------------------------------------------------------------------ + Bra + \b + Assert + \w + Ket + red + \b + AssertB + Reverse + \w + Ket + Ket + End +------------------------------------------------------------------ + little red riding hood + 0: red + a /red/ thing + 0: red + red is a colour + 0: red + put it all on red + 0: red + ** Failers +No match + no reduction +No match + Alfred Winifred +No match + +/[a[:<:]] should give error/ +Failed: unknown POSIX class name at offset 4 + +/(?=ab\K)/+ + abcd +Start of matched string is beyond its end - displaying from end to start. + 0: ab + 0+ abcd + +/abcd/f + xx\nxabcd +No match + +/ -- Test stack check external calls --/ + +/(((((a)))))/Q0 + +/(((((a)))))/Q1 +Failed: parentheses are too deeply nested (stack check) at offset 0 + +/(((((a)))))/Q +** Missing 0 or 1 after /Q + +/^\w+(?>\s*)(?<=\w)/BZ +------------------------------------------------------------------ + Bra + ^ + \w+ + Once_NC + \s*+ + Ket + AssertB + Reverse + \w + Ket + Ket + End +------------------------------------------------------------------ + +/\othing/ +Failed: missing opening brace after \o at offset 1 + +/\o{}/ +Failed: digits missing in \x{} or \o{} at offset 1 + +/\o{whatever}/ +Failed: non-octal character in \o{} (closing brace missing?) at offset 3 + +/\xthing/ + +/\x{}/ +Failed: digits missing in \x{} or \o{} at offset 3 + +/\x{whatever}/ +Failed: non-hex character in \x{} (closing brace missing?) at offset 3 + +"((?=(?(?=(?(?=(?(?=()))))))))" + a + 0: + 1: + 2: + +"(?(?=)==)(((((((((?=)))))))))" + a +No match + +/^(?:(a)|b)(?(1)A|B)/I +Capturing subpattern count = 1 +Max back reference = 1 +Options: anchored +No first char +No need char + aA123\O3 +Matched, but too many substrings + 0: aA + aA123\O6 + 0: aA + 1: a + +'^(?:(?a)|b)(?()A|B)' + aA123\O3 +Matched, but too many substrings + 0: aA + aA123\O6 + 0: aA + 1: a + +'^(?)(?:(?a)|b)(?()A|B)'J + aA123\O3 +Matched, but too many substrings + 0: aA + aA123\O6 +Matched, but too many substrings + 0: aA + 1: + +'^(?:(?X)|)(?:(?a)|b)\k{AA}'J + aa123\O3 +Matched, but too many substrings + 0: aa + aa123\O6 +Matched, but too many substrings + 0: aa + 1: + +/(?(?J)(?1(111111)11|)1|1|)(?()1)/ + +/(?(?=0)?)+/ +Failed: nothing to repeat at offset 7 + +/(?(?=0)(?=00)?00765)/ + 00765 + 0: 00765 + +/(?(?=0)(?=00)?00765|(?!3).56)/ + 00765 + 0: 00765 + 456 + 0: 456 + ** Failers +No match + 356 +No match + +'^(a)*+(\w)' + g + 0: g + 1: + 2: g + g\O3 +Matched, but too many substrings + 0: g + +'^(?:a)*+(\w)' + g + 0: g + 1: g + g\O3 +Matched, but too many substrings + 0: g + +//C + \O\C+ +Callout 255: last capture = -1 +---> + +0 ^ +Matched, but too many substrings + +"((?2){0,1999}())?" + +/((?+1)(\1))/BZ +------------------------------------------------------------------ + Bra + Once + CBra 1 + Recurse + CBra 2 + \1 + Ket + Ket + Ket + Ket + End +------------------------------------------------------------------ + +/(?(?!)a|b)/ + bbb + 0: b + aaa +No match + +"((?2)+)((?1))" + +"(?(?.*!.*)?)" +Failed: assertion expected after (?( or (?(?C) at offset 3 + +"X((?2)()*+){2}+"BZ +------------------------------------------------------------------ + Bra + X + Once + CBra 1 + Recurse + Braposzero + SCBraPos 2 + KetRpos + Ket + CBra 1 + Recurse + Braposzero + SCBraPos 2 + KetRpos + Ket + Ket + Ket + End +------------------------------------------------------------------ + +"X((?2)()*+){2}"BZ +------------------------------------------------------------------ + Bra + X + CBra 1 + Recurse + Braposzero + SCBraPos 2 + KetRpos + Ket + CBra 1 + Recurse + Braposzero + SCBraPos 2 + KetRpos + Ket + Ket + End +------------------------------------------------------------------ + +"(?<=((?2))((?1)))" +Failed: lookbehind assertion is not fixed length at offset 17 + +/(?<=\Ka)/g+ + aaaaa + 0: a + 0+ aaaa + 0: a + 0+ aaaa + 0: a + 0+ aaa + 0: a + 0+ aa + 0: a + 0+ a + 0: a + 0+ + +/(?<=\Ka)/G+ + aaaaa + 0: a + 0+ aaaa + 0: a + 0+ aaa + 0: a + 0+ aa + 0: a + 0+ a + 0: a + 0+ + +/((?2){73}(?2))((?1))/ + +/.((?2)(?R)\1)()/BZ +------------------------------------------------------------------ + Bra + Any + Once + CBra 1 + Recurse + Recurse + \1 + Ket + Ket + CBra 2 + Ket + Ket + End +------------------------------------------------------------------ + +/(?1)()((((((\1++))\x85)+)|))/ + +/(\9*+(?2);\3++()2|)++{/ +Failed: reference to non-existent subpattern at offset 22 + +/\V\x85\9*+((?2)\3++()2)*:2/ +Failed: reference to non-existent subpattern at offset 26 + +/(((?(R)){0,2}) (?''((?'R')((?'R')))))/J + +/(((?(X)){0,2}) (?''((?'X')((?'X')))))/J + +/(((?(R)){0,2}) (?''((?'X')((?'R')))))/ + +"(?J)(?'d'(?'d'\g{d}))" + +".*?\h.+.\.+\R*?\xd(?i)(?=!(?=b`b`b`\`b\xa9b!)`\a`bbbbbbbbbbbbb`bbbbbbbbbbbb*R\x85bbbbbbb\C?{((?2)(?))(( +\H){8(?<=(?1){29}\xa8bbbb\x16\xd\xc6^($(?1)/ + +/a[[:punct:]b]/BZ +------------------------------------------------------------------ + Bra + a + [!-/:-@[-`b{-~] + Ket + End +------------------------------------------------------------------ + +/L(?#(|++)(?J:(?)(?))(?)/ + \O\CC +Matched, but too many substrings +copy substring C failed -7 + +/(?=a\K)/ + ring bpattingbobnd $ 1,oern cou \rb\L +Start of matched string is beyond its end - displaying from end to start. + 0: a + 0L + +/(?<=((?C)0))/ + 9010 +--->9010 + 0 ^ 0 + 0 ^ 0 + 0: + 1: 0 + abcd +--->abcd + 0 ^ 0 + 0 ^ 0 + 0 ^ 0 + 0 ^ 0 +No match + +/((?J)(?'R'(?'R'(?'R'(?'R'(?'R'(?|(\k'R'))))))))/ + +/\N(?(?C)0?!.)*/ +Failed: assertion expected after (?( or (?(?C) at offset 4 + +/(?abc)(?(R)xyz)/BZ +------------------------------------------------------------------ + Bra + CBra 1 + abc + Ket + Cond + Cond recurse any + xyz + Ket + Ket + End +------------------------------------------------------------------ + +/(?abc)(?(R)xyz)/BZ +------------------------------------------------------------------ + Bra + CBra 1 + abc + Ket + Cond + 1 Cond ref + xyz + Ket + Ket + End +------------------------------------------------------------------ + +/(?=.*[A-Z])/I +Capturing subpattern count = 0 +May match empty string +No options +No first char +No need char + /-- End of testinput2 --/ -- cgit v1.2.3