Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
g

Test String

Code Generator

Language

Generated Code

use strict; my $str = '̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ҃҄҅҆҇͘͜͟͢͝͞͠͡҈҉ְֱֲֳִֵֶַָׇֹֺֻּֽֿׁׂًٌٍؘَؙُؚِّْٰܑ֑֖֛֢֣֤֥֦֧֪ׅٕٖٜٟۣ۪ۭܱܴܷܸܹܻܼܾ݂݄݆݈֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯ׄؐؑؒؓؔؕؖؗٓٔٗ٘ٙٚٛٝٞۖۗۘۙۚۛۜ۟۠ۡۢۤۧۨ۫۬ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊ަާިީުޫެޭޮޯްࣰࣱࣲ߲߽࡙࡚࡛࣓ࣣࣦࣩ࣭࣮࣯ࣶࣹࣺ߫߬߭߮߯߰߱߳ࠖࠗ࠘࠙ࠛࠜࠝࠞࠟࠠࠡࠢࠣࠥࠦࠧࠩࠪࠫࠬ࠭ࣔࣕࣖࣗࣘࣙࣚࣛࣜࣝࣞࣟ࣠࣡ࣤࣥࣧࣨ࣪࣫࣬ࣳࣴࣵࣷࣸࣻࣼࣽࣾࣿऀँंऺ़ुूृॄॅॆेै्॒॑॓॔ॕॖॗॢॣঁ়াুূৃৄ্ৗৢৣ৾ਁਂ਼ੁੂੇੈੋੌ੍ੑੰੱੵઁં઼ુૂૃૄૅેૈ્ૢૣૺૻૼ૽૾૿ଁ଼ାିୁୂୃୄ୍୕ୖୗୢୣஂாீ்ௗఀఄాిీెేైొోౌ్ౕౖౢౣಁ಼ಿೂೆೌ್ೕೖೢೣഀഁ഻഼ാുൂൃൄ്ൗൢൣඁ්ාිීුූෟัิีึืฺุู็่้๊๋์ํ๎ັິີຶື຺ຸູົຼ່້໊໋໌ໍཱཱཱིིུུ༹༘༙༵༷ྲྀཷླྀཹེཻོཽཾ྄ཱྀྀྂྃ྆྇ྍྎྏྐྑྒྒྷྔྕྖྗྙྚྛྜྜྷྞྟྠྡྡྷྣྤྥྦྦྷྨྩྪྫྫྷྭྮྯྰྱྲླྴྵྶྷྸྐྵྺྻྼ࿆ိီုူဲဳဴဵံ့္်ွှၘၙၞၟၠၱၲၳၴႂႅႆႍႝ፝፞፟ᜒᜓ᜔ᜲᜳ᜴ᝒᝓᝲᝳ឴឵ិីឹឺុូួំ៉៊់៌៍៎៏័៑្៓៝ᢅᢆᢩᤠᤡᤢᤧᤨᤲ᤻ᨘ᤹᤺ᨗᨛᩖᩘᩙᩚᩛᩜᩝᩞ᩠ᩢᩥᩦᩧᩨᩩᩪᩫᩬᩳᩴ᩿᪵᪶᪷᪸᪹᪺᪽᩵᩶᩷᩸᩹᩺᩻᩼᪰᪱᪲᪳᪴᪻᪼᪾ᪿᫀᬀᬁᬂᬃ᬴ᬵᬶᬷᬸᬹᬺᬼᭂ᭬᭫᭭᭮᭯᭰᭱᭲᭳ᮀᮁᮢᮣᮤᮥᮨᮩ᮫ᮬᮭ᯦ᯨᯩᯭᯯᯰᯱᰬᰭᰮᰯᰰᰱᰲᰳᰶ᳔᳢᳣᳤᳥᳦᳧᳨᰷᷐᷎᳕᳖᳗᳘᳙᳜᳝᳞᳟᳭᷂᷊᷏᷹᷽᷿᷷᷸᳐᳑᳒᳚᳛᳠᳴᳸᳹᷀᷁᷃᷄᷅᷆᷇᷈᷉᷋᷌᷑᷒ᷓᷔᷕᷖᷗᷘᷙᷚᷛᷜᷝᷞᷟᷠᷡᷢᷣᷤᷥᷦᷧᷨᷩᷪᷫᷬᷭᷮᷯᷰᷱᷲᷳᷴ᷵᷻᷾᷶᷼᷍‌⃒⃓⃘⃙⃚⃐⃑⃔⃕⃖⃗⃛⃜⃝⃞⃟⃠⃡⃢⃣⃤⃥⃦⃪⃫゙゚⵿〪⃨⃬⃭⃮⃯〭〮〯〫⃧⃩⃰⳯⳰⳱ⷠⷡⷢⷣⷤⷥⷦⷧⷨⷩⷪⷫⷬⷭⷮⷯⷰⷱⷲⷳⷴⷵⷶⷷⷸⷹⷺⷻⷼⷽⷾⷿ꙯〬꙰꙱꙲ꙴꙵꙶꙷꙸꙹꙺꙻ꙼꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠥꠦ꠬꣄ꣅ꣠꣡꣢꣣꣤꣥꣦꣧꣨꣩꣪꣫꣬꣭꣮꣯꣰꣱ꣿꤦꤧꤨꤩꤪ꤫꤬꤭ꥇꥈꥉꥊꥋꥌꥍꥎꥏꥐꥑꦀꦁꦂ꦳ꦶꦷꦸꦹꦼꦽꧥꨩꨪꨫꨬꨭꨮꨱꨲꨵꨶꩃꩌꩼꪴꪰꪲꪳꪷꪸꪾ꪿꫁ꫬꫭ꫶ꯥꯨ꯭ﬞ︧︨︩︪︫︬︭︠︡︢︣︤︥︦︮︯ﾞﾟ𐇽𐋠𐍶𐍷𐍸𐍹𐍺𐨁𐨂𐨃𐨅𐨆𐨌𐨍𐨎𐨹𐨿𐨺𐫦𐽆𐽇𐽋𐽍𐽎𐽏𐽐𐨏𐨸𐫥𐴤𐴥𐴦𐴧𐺫𐺬𐽈𐽉𐽊𐽌𑀁𑀸𑀹𑀺𑀻𑀼𑀽𑀾𑀿𑁀𑁁𑁂𑁃𑁄𑁅𑁆𑁿𑂀𑂁𑂳𑂴𑂵𑂶𑂺𑂹𑄀𑄁𑄂𑄧𑄨𑄩𑄪𑄫𑄭𑄮𑄯𑄰𑄱𑄲𑅳𑄳𑄴𑆀𑆁𑆶𑆷𑆸𑆹𑆺𑆻𑆼𑆽𑆾𑇉𑇊𑇋𑇌𑇏𑈯𑈰𑈱𑈴𑈶𑈷𑈾𑋟𑋣𑋤𑋥𑋦𑋧𑋨𑋩𑋪𑌀𑌁𑌻𑌼𑌾𑍀𑍗𑍦𑍧𑍨𑍩𑍪𑍫𑍬𑍰𑍱𑍲𑍳𑍴𑐸𑐹𑐺𑐻𑐼𑐽𑐾𑐿𑑂𑑃𑑄𑑆𑑞𑒰𑒳𑒴𑒵𑒶𑒷𑒸𑒺𑒽𑒿𑓀𑓃𑓂𑖯𑖲𑖳𑖴𑖵𑖼𑖽𑗀𑖿𑗜𑗝𑘳𑘴𑘵𑘶𑘷𑘸𑘹𑘺𑘽𑘿𑙀𑚫𑚭𑚰𑚱𑚲𑚳𑚴𑚵𑚷𑜝𑜞𑜟𑜢𑜣𑜤𑜥𑜧𑜨𑜩𑜪𑜫𑠯𑠰𑠱𑠲𑠳𑠴𑠵𑠶𑠷𑠺𑠹𑤰𑤻𑤼𑥃𑤾𑧔𑧕𑧖𑧗𑧚𑧛𑧠𑨁𑨂𑨃𑨄𑨅𑨆𑨇𑨈𑨉𑨊𑨳𑨴𑨵𑨶𑨷𑨸𑨻𑨼𑨽𑨾𑩇𑩑𑩒𑩓𑩔𑩕𑩖𑩙𑩚𑩛𑪊𑪋𑪌𑪍𑪎𑪏𑪐𑪑𑪒𑪓𑪔𑪕𑪖𑪘𑪙𑰰𑰱𑰲𑰳𑰴𑰵𑰶𑰸𑰹𑰺𑰻𑰼𑰽𑰿𑲒𑲓𑲔𑲕𑲖𑲗𑲘𑲙𑲚𑲛𑲜𑲝𑲞𑲟𑲠𑲡𑲢𑲣𑲤𑲥𑲦𑲧𑲪𑲫𑲬𑲭𑲮𑲯𑲰𑲲𑲳𑲵𑲶𑴱𑴲𑴳𑴴𑴵𑴶𑴺𑴼𑴽𑴿𑵀𑵁𑵂𑵃𑵄𑵅𑵇𑶐𑶑𑶕𑶗𑻳𑻴𖫰𖫱𖫲𖫳𖫴𖬰𖬱𖬲𖬳𖬴𖬵𖬶𖽏𖾏𖾐𖾑𖾒𖿤𛲝𛲞𝅧𝅨𝅩𝅥𝅮𝅯𝅰𝅱𝅲𝅻𝅼𝅽𝅾𝅿𝆀𝆁𝆂𝆊𝆋𝆅𝆆𝆇𝆈𝆉𝆪𝆫𝆬𝆭𝉂𝉃𝉄𝨀𝨁𝨂𝨃𝨄𝨅𝨆𝨇𝨈𝨉𝨊𝨋𝨌𝨍𝨎𝨏𝨐𝨑𝨒𝨓𝨔𝨕𝨖𝨗𝨘𝨙𝨚𝨛𝨜𝨝𝨞𝨟𝨠𝨡𝨢𝨣𝨤𝨥𝨦𝨧𝨨𝨩𝨪𝨫𝨬𝨭𝨮𝨯𝨰𝨱𝨲𝨳𝨴𝨵𝨶𝨻𝨼𝨽𝨾𝨿𝩀𝩁𝩂𝩃𝩄𝩅𝩆𝩇𝩈𝩉𝩊𝩋𝩌𝩍𝩎𝩏𝩐𝩑𝩒𝩓𝩔𝩕𝩖𝩗𝩘𝩙𝩚𝩛𝩜𝩝𝩞𝩟𝩠𝩡𝩢𝩣𝩤𝩥𝩦𝩧𝩨𝩩𝩪𝩫𝩬𝩵𝪄𝪛𝪜𝪝𝪞𝪟𝪡𝪢𝪣𝪤𝪥𝪦𝪧𝪨𝪩𝪪𝪫𝪬𝪭𝪮𝪯𞥊𞣐𞣑𞣒𞣓𞣔𞣕𞣖𞀀𞀁𞀂𞀃𞀄𞀅𞀆𞀈𞀉𞀊𞀋𞀌𞀍𞀎𞀏𞀐𞀑𞀒𞀓𞀔𞀕𞀖𞀗𞀘𞀛𞀜𞀝𞀞𞀟𞀠𞀡𞀣𞀤𞀦𞀧𞀨𞀩𞀪𞄰𞄱𞄲𞄳𞄴𞄵𞄶𞋬𞋭𞋮𞋯𞥄𞥅𞥆𞥇𞥈𞥉🏻🏼🏽🏾🏿󠀠󠀡󠀢󠀣󠀤󠀥󠀦󠀧󠀨󠀩󠀪󠀫󠀬󠀭󠀮󠀯󠀰󠀱󠀲󠀳󠀴󠀵󠀶󠀷󠀸󠀹󠀺󠀻󠀼󠀽󠀾󠀿󠁀󠁁󠁂󠁃󠁄󠁅󠁆󠁇󠁈󠁉󠁊󠁋󠁌󠁍󠁎󠁏󠁐󠁑󠁒󠁓󠁔󠁕󠁖󠁗󠁘󠁙󠁚󠁛󠁜󠁝󠁞󠁟󠁠󠁡󠁢󠁣󠁤󠁥󠁦󠁧󠁨󠁩󠁪󠁫󠁬󠁭󠁮󠁯󠁰󠁱󠁲󠁳󠁴󠁵󠁶󠁷󠁸󠁹󠁺󠁻󠁼󠁽󠁾󠁿'; my $regex = qr/(?:[̀-ͯ҃-҉֑-ׇֽֿׁׂׅׄؐ-ًؚ-ٰٟۖ-ۜ۟-۪ۤۧۨ-ܑۭܰ-݊ަ-ް߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛࣓-ࣣ࣡-ंऺ़ु-ै्॑-ॗॢॣঁ়াু-ৄ্ৗৢৣ৾ਁਂ਼ੁੂੇੈੋ-੍ੑੰੱੵઁં઼ુ-ૅેૈ્ૢૣૺ-૿ଁ଼ାିୁ-ୄ୍୕-ୗୢୣஂாீ்ௗఀఄా-ీె-ైొ-్ౕౖౢౣಁ಼ಿೂೆೌ್ೕೖೢೣഀഁ഻഼ാു-ൄ്ൗൢൣඁ්ාි-ුූෟัิ-ฺ็-๎ັິ-ຼ່-ໍཱ༹༘༙༵༷-ཾྀ-྄྆྇ྍ-ྗྙ-ྼ࿆ိ-ူဲ-့္်ွှၘၙၞ-ၠၱ-ၴႂႅႆႍႝ፝-፟ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴឵ិ-ួំ៉-៓៝ᢅᢆᢩᤠ-ᤢᤧᤨᤲ᤹-᤻ᨘᨗᨛᩖᩘ-ᩞ᩠ᩢᩥ-ᩬᩳ-᩿᩼᪰-ᫀᬀ-ᬃ᬴-ᬺᬼᭂ᭫-᭳ᮀᮁᮢ-ᮥᮨᮩ᮫-ᮭ᯦ᯨᯩᯭᯯ-ᯱᰬ-ᰳᰶ᰷᳐-᳔᳒-᳢᳠-᳨᳭᳴᳸᳹᷀-᷹᷻-᷿‌⃐-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꙯-꙲ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠥꠦ꠬꣄ꣅ꣠-꣱ꣿꤦ-꤭ꥇ-ꥑꦀ-ꦂ꦳ꦶ-ꦹꦼꦽꧥꨩ-ꨮꨱꨲꨵꨶꩃꩌꩼꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫬꫭ꫶ꯥꯨ꯭]|\ud800[\uddfd\udee0\udf76-\udf7a]|\ud802[\ude01-\ude03\ude05\ude06\ude0c-\ude0f\ude38-\ude3a\ude3f\udee5\udee6]|\ud803[\udd24-\udd27\udeab\udeac\udf46-\udf50]|\ud804[\udc01\udc38-\udc46\udc7f-\udc81\udcb3-\udcb6\udcb9\udcba\udd00-\udd02\udd27-\udd2b\udd2d-\udd34\udd73\udd80\udd81\uddb6-\uddbe\uddc9-\uddcc\uddcf\ude2f-\ude31\ude34\ude36\ude37\ude3e\udedf\udee3-\udeea\udf00\udf01\udf3b\udf3c\udf3e\udf40\udf57\udf66-\udf6c\udf70-\udf74]|\ud805[\udc38-\udc3f\udc42-\udc44\udc46\udc5e\udcb0\udcb3-\udcb8\udcba\udcbd\udcbf\udcc0\udcc2\udcc3\uddaf\uddb2-\uddb5\uddbc\uddbd\uddbf\uddc0\udddc\udddd\ude33-\ude3a\ude3d\ude3f\ude40\udeab\udead\udeb0-\udeb5\udeb7\udf1d-\udf1f\udf22-\udf25\udf27-\udf2b]|\ud806[\udc2f-\udc37\udc39\udc3a\udd30\udd3b\udd3c\udd3e\udd43\uddd4-\uddd7\uddda\udddb\udde0\ude01-\ude0a\ude33-\ude38\ude3b-\ude3e\ude47\ude51-\ude56\ude59-\ude5b\ude8a-\ude96\ude98\ude99]|\ud807[\udc30-\udc36\udc38-\udc3d\udc3f\udc92-\udca7\udcaa-\udcb0\udcb2\udcb3\udcb5\udcb6\udd31-\udd36\udd3a\udd3c\udd3d\udd3f-\udd45\udd47\udd90\udd91\udd95\udd97\udef3\udef4]|\ud81a[\udef0-\udef4\udf30-\udf36]|\ud81b[\udf4f\udf8f-\udf92\udfe4]|\ud82f[\udc9d\udc9e]|\ud834[\udd65\udd67-\udd69\udd6e-\udd72\udd7b-\udd82\udd85-\udd8b\uddaa-\uddad\ude42-\ude44]|\ud836[\ude00-\ude36\ude3b-\ude6c\ude75\ude84\ude9b-\ude9f\udea1-\udeaf]|\ud838[\udc00-\udc06\udc08-\udc18\udc1b-\udc21\udc23\udc24\udc26-\udc2a\udd30-\udd36\udeec-\udeef]|\ud83a[\udcd0-\udcd6\udd44-\udd4a]|\ud83c[\udffb-\udfff]|\udb40[\udc20-\udc7f]|[ﬞ︠-︯ﾞﾟ])/p; if ( $str =~ /$regex/g ) { print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n"; # print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n"; # print "Capture Group 2 is $2 ... and so on\n"; } # ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p' # Named capture groups can be called via $+{name}

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html