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

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(?:[\\u0300-\\u036f\\u0483-\\u0489\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u065f\\u0670\\u06d6-\\u06dc\\u06df-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u07fd\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0859-\\u085b\\u08d3-\\u08e1\\u08e3-\\u0902\\u093a\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0957\\u0962\\u0963\\u0981\\u09bc\\u09be\\u09c1-\\u09c4\\u09cd\\u09d7\\u09e2\\u09e3\\u09fe\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a70\\u0a71\\u0a75\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0afa-\\u0aff\\u0b01\\u0b3c\\u0b3e\\u0b3f\\u0b41-\\u0b44\\u0b4d\\u0b55-\\u0b57\\u0b62\\u0b63\\u0b82\\u0bbe\\u0bc0\\u0bcd\\u0bd7\\u0c00\\u0c04\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0c81\\u0cbc\\u0cbf\\u0cc2\\u0cc6\\u0ccc\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0d00\\u0d01\\u0d3b\\u0d3c\\u0d3e\\u0d41-\\u0d44\\u0d4d\\u0d57\\u0d62\\u0d63\\u0d81\\u0dca\\u0dcf\\u0dd2-\\u0dd4\\u0dd6\\u0ddf\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032-\\u1037\\u1039\\u103a\\u103d\\u103e\\u1058\\u1059\\u105e-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108d\\u109d\\u135d-\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b4\\u17b5\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u1885\\u1886\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1a1b\\u1a56\\u1a58-\\u1a5e\\u1a60\\u1a62\\u1a65-\\u1a6c\\u1a73-\\u1a7c\\u1a7f\\u1ab0-\\u1ac0\\u1b00-\\u1b03\\u1b34-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1b80\\u1b81\\u1ba2-\\u1ba5\\u1ba8\\u1ba9\\u1bab-\\u1bad\\u1be6\\u1be8\\u1be9\\u1bed\\u1bef-\\u1bf1\\u1c2c-\\u1c33\\u1c36\\u1c37\\u1cd0-\\u1cd2\\u1cd4-\\u1ce0\\u1ce2-\\u1ce8\\u1ced\\u1cf4\\u1cf8\\u1cf9\\u1dc0-\\u1df9\\u1dfb-\\u1dff\\u200c\\u20d0-\\u20f0\\u2cef-\\u2cf1\\u2d7f\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua66f-\\ua672\\ua674-\\ua67d\\ua69e\\ua69f\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua825\\ua826\\ua82c\\ua8c4\\ua8c5\\ua8e0-\\ua8f1\\ua8ff\\ua926-\\ua92d\\ua947-\\ua951\\ua980-\\ua982\\ua9b3\\ua9b6-\\ua9b9\\ua9bc\\ua9bd\\ua9e5\\uaa29-\\uaa2e\\uaa31\\uaa32\\uaa35\\uaa36\\uaa43\\uaa4c\\uaa7c\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uaaec\\uaaed\\uaaf6\\uabe5\\uabe8\\uabed]|\\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]|[\\ufb1e\\ufe20-\\ufe2f\\uff9e\\uff9f])"; final String string = "̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ҃҄҅҆҇͘͜͟͢͝͞͠͡҈҉ְֱֲֳִֵֶַָׇֹֺֻּֽֿׁׂًٌٍؘَؙُؚِّْٰܑ֑֖֛֢֣֤֥֦֧֪ׅٕٖٜٟۣ۪ۭܱܴܷܸܹܻܼܾ݂݄݆݈֚֭֮֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯ׄؐؑؒؓؔؕؖؗٓٔٗ٘ٙٚٛٝٞۖۗۘۙۚۛۜ۟۠ۡۢۤۧۨ۫۬ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊ަާިީުޫެޭޮޯްࣰࣱࣲ߲߽࡙࡚࡛࣓ࣣࣦࣩ࣭࣮࣯ࣶࣹࣺ߫߬߭߮߯߰߱߳ࠖࠗ࠘࠙ࠛࠜࠝࠞࠟࠠࠡࠢࠣࠥࠦࠧࠩࠪࠫࠬ࠭ࣔࣕࣖࣗࣘࣙࣚࣛࣜࣝࣞࣟ࣠࣡ࣤࣥࣧࣨ࣪࣫࣬ࣳࣴࣵࣷࣸࣻࣼࣽࣾࣿऀँंऺ़ुूृॄॅॆेै्॒॑॓॔ॕॖॗॢॣঁ়াুূৃৄ্ৗৢৣ৾ਁਂ਼ੁੂੇੈੋੌ੍ੑੰੱੵઁં઼ુૂૃૄૅેૈ્ૢૣૺૻૼ૽૾૿ଁ଼ାିୁୂୃୄ୍୕ୖୗୢୣஂாீ்ௗఀఄాిీెేైొోౌ్ౕౖౢౣಁ಼ಿೂೆೌ್ೕೖೢೣഀഁ഻഼ാുൂൃൄ്ൗൢൣඁ්ාිීුූෟัิีึืฺุู็่้๊๋์ํ๎ັິີຶື຺ຸູົຼ່້໊໋໌ໍཱཱཱིིུུ༹༘༙༵༷ྲྀཷླྀཹེཻོཽཾ྄ཱྀྀྂྃ྆྇ྍྎྏྐྑྒྒྷྔྕྖྗྙྚྛྜྜྷྞྟྠྡྡྷྣྤྥྦྦྷྨྩྪྫྫྷྭྮྯྰྱྲླྴྵྶྷྸྐྵྺྻྼ࿆ိီုူဲဳဴဵံ့္်ွှၘၙၞၟၠၱၲၳၴႂႅႆႍႝ፝፞፟ᜒᜓ᜔ᜲᜳ᜴ᝒᝓᝲᝳ឴឵ិីឹឺុូួំ៉៊់៌៍៎៏័៑្៓៝ᢅᢆᢩᤠᤡᤢᤧᤨᤲ᤻ᨘ᤹᤺ᨗᨛᩖᩘᩙᩚᩛᩜᩝᩞ᩠ᩢᩥᩦᩧᩨᩩᩪᩫᩬᩳᩴ᩿᪵᪶᪷᪸᪹᪺᪽᩵᩶᩷᩸᩹᩺᩻᩼᪰᪱᪲᪳᪴᪻᪼᪾ᪿᫀᬀᬁᬂᬃ᬴ᬵᬶᬷᬸᬹᬺᬼᭂ᭬᭫᭭᭮᭯᭰᭱᭲᭳ᮀᮁᮢᮣᮤᮥᮨᮩ᮫ᮬᮭ᯦ᯨᯩᯭᯯᯰᯱᰬᰭᰮᰯᰰᰱᰲᰳᰶ᳔᳢᳣᳤᳥᳦᳧᳨᰷᷐᷎᳕᳖᳗᳘᳙᳜᳝᳞᳟᳭᷂᷊᷏᷹᷽᷿᷷᷸᳐᳑᳒᳚᳛᳠᳴᳸᳹᷀᷁᷃᷄᷅᷆᷇᷈᷉᷋᷌᷑᷒ᷓᷔᷕᷖᷗᷘᷙᷚᷛᷜᷝᷞᷟᷠᷡᷢᷣᷤᷥᷦᷧᷨᷩᷪᷫᷬᷭᷮᷯᷰᷱᷲᷳᷴ᷵᷻᷾᷶᷼᷍‌⃒⃓⃘⃙⃚⃐⃑⃔⃕⃖⃗⃛⃜⃝⃞⃟⃠⃡⃢⃣⃤⃥⃦⃪⃫゙゚⵿〪⃨⃬⃭⃮⃯〭〮〯〫⃧⃩⃰⳯⳰⳱ⷠⷡⷢⷣⷤⷥⷦⷧⷨⷩⷪⷫⷬⷭⷮⷯⷰⷱⷲⷳⷴⷵⷶⷷⷸⷹⷺⷻⷼⷽⷾⷿ꙯〬꙰꙱꙲ꙴꙵꙶꙷꙸꙹꙺꙻ꙼꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠥꠦ꠬꣄ꣅ꣠꣡꣢꣣꣤꣥꣦꣧꣨꣩꣪꣫꣬꣭꣮꣯꣰꣱ꣿꤦꤧꤨꤩꤪ꤫꤬꤭ꥇꥈꥉꥊꥋꥌꥍꥎꥏꥐꥑꦀꦁꦂ꦳ꦶꦷꦸꦹꦼꦽꧥꨩꨪꨫꨬꨭꨮꨱꨲꨵꨶꩃꩌꩼꪴꪰꪲꪳꪷꪸꪾ꪿꫁ꫬꫭ꫶ꯥꯨ꯭ﬞ︧︨︩︪︫︬︭︠︡︢︣︤︥︦︮︯ﾞﾟ𐇽𐋠𐍶𐍷𐍸𐍹𐍺𐨁𐨂𐨃𐨅𐨆𐨌𐨍𐨎𐨹𐨿𐨺𐫦𐽆𐽇𐽋𐽍𐽎𐽏𐽐𐨏𐨸𐫥𐴤𐴥𐴦𐴧𐺫𐺬𐽈𐽉𐽊𐽌𑀁𑀸𑀹𑀺𑀻𑀼𑀽𑀾𑀿𑁀𑁁𑁂𑁃𑁄𑁅𑁆𑁿𑂀𑂁𑂳𑂴𑂵𑂶𑂺𑂹𑄀𑄁𑄂𑄧𑄨𑄩𑄪𑄫𑄭𑄮𑄯𑄰𑄱𑄲𑅳𑄳𑄴𑆀𑆁𑆶𑆷𑆸𑆹𑆺𑆻𑆼𑆽𑆾𑇉𑇊𑇋𑇌𑇏𑈯𑈰𑈱𑈴𑈶𑈷𑈾𑋟𑋣𑋤𑋥𑋦𑋧𑋨𑋩𑋪𑌀𑌁𑌻𑌼𑌾𑍀𑍗𑍦𑍧𑍨𑍩𑍪𑍫𑍬𑍰𑍱𑍲𑍳𑍴𑐸𑐹𑐺𑐻𑐼𑐽𑐾𑐿𑑂𑑃𑑄𑑆𑑞𑒰𑒳𑒴𑒵𑒶𑒷𑒸𑒺𑒽𑒿𑓀𑓃𑓂𑖯𑖲𑖳𑖴𑖵𑖼𑖽𑗀𑖿𑗜𑗝𑘳𑘴𑘵𑘶𑘷𑘸𑘹𑘺𑘽𑘿𑙀𑚫𑚭𑚰𑚱𑚲𑚳𑚴𑚵𑚷𑜝𑜞𑜟𑜢𑜣𑜤𑜥𑜧𑜨𑜩𑜪𑜫𑠯𑠰𑠱𑠲𑠳𑠴𑠵𑠶𑠷𑠺𑠹𑤰𑤻𑤼𑥃𑤾𑧔𑧕𑧖𑧗𑧚𑧛𑧠𑨁𑨂𑨃𑨄𑨅𑨆𑨇𑨈𑨉𑨊𑨳𑨴𑨵𑨶𑨷𑨸𑨻𑨼𑨽𑨾𑩇𑩑𑩒𑩓𑩔𑩕𑩖𑩙𑩚𑩛𑪊𑪋𑪌𑪍𑪎𑪏𑪐𑪑𑪒𑪓𑪔𑪕𑪖𑪘𑪙𑰰𑰱𑰲𑰳𑰴𑰵𑰶𑰸𑰹𑰺𑰻𑰼𑰽𑰿𑲒𑲓𑲔𑲕𑲖𑲗𑲘𑲙𑲚𑲛𑲜𑲝𑲞𑲟𑲠𑲡𑲢𑲣𑲤𑲥𑲦𑲧𑲪𑲫𑲬𑲭𑲮𑲯𑲰𑲲𑲳𑲵𑲶𑴱𑴲𑴳𑴴𑴵𑴶𑴺𑴼𑴽𑴿𑵀𑵁𑵂𑵃𑵄𑵅𑵇𑶐𑶑𑶕𑶗𑻳𑻴𖫰𖫱𖫲𖫳𖫴𖬰𖬱𖬲𖬳𖬴𖬵𖬶𖽏𖾏𖾐𖾑𖾒𖿤𛲝𛲞𝅧𝅨𝅩𝅥𝅮𝅯𝅰𝅱𝅲𝅻𝅼𝅽𝅾𝅿𝆀𝆁𝆂𝆊𝆋𝆅𝆆𝆇𝆈𝆉𝆪𝆫𝆬𝆭𝉂𝉃𝉄𝨀𝨁𝨂𝨃𝨄𝨅𝨆𝨇𝨈𝨉𝨊𝨋𝨌𝨍𝨎𝨏𝨐𝨑𝨒𝨓𝨔𝨕𝨖𝨗𝨘𝨙𝨚𝨛𝨜𝨝𝨞𝨟𝨠𝨡𝨢𝨣𝨤𝨥𝨦𝨧𝨨𝨩𝨪𝨫𝨬𝨭𝨮𝨯𝨰𝨱𝨲𝨳𝨴𝨵𝨶𝨻𝨼𝨽𝨾𝨿𝩀𝩁𝩂𝩃𝩄𝩅𝩆𝩇𝩈𝩉𝩊𝩋𝩌𝩍𝩎𝩏𝩐𝩑𝩒𝩓𝩔𝩕𝩖𝩗𝩘𝩙𝩚𝩛𝩜𝩝𝩞𝩟𝩠𝩡𝩢𝩣𝩤𝩥𝩦𝩧𝩨𝩩𝩪𝩫𝩬𝩵𝪄𝪛𝪜𝪝𝪞𝪟𝪡𝪢𝪣𝪤𝪥𝪦𝪧𝪨𝪩𝪪𝪫𝪬𝪭𝪮𝪯𞥊𞣐𞣑𞣒𞣓𞣔𞣕𞣖𞀀𞀁𞀂𞀃𞀄𞀅𞀆𞀈𞀉𞀊𞀋𞀌𞀍𞀎𞀏𞀐𞀑𞀒𞀓𞀔𞀕𞀖𞀗𞀘𞀛𞀜𞀝𞀞𞀟𞀠𞀡𞀣𞀤𞀦𞀧𞀨𞀩𞀪𞄰𞄱𞄲𞄳𞄴𞄵𞄶𞋬𞋭𞋮𞋯𞥄𞥅𞥆𞥇𞥈𞥉🏻🏼🏽🏾🏿󠀠󠀡󠀢󠀣󠀤󠀥󠀦󠀧󠀨󠀩󠀪󠀫󠀬󠀭󠀮󠀯󠀰󠀱󠀲󠀳󠀴󠀵󠀶󠀷󠀸󠀹󠀺󠀻󠀼󠀽󠀾󠀿󠁀󠁁󠁂󠁃󠁄󠁅󠁆󠁇󠁈󠁉󠁊󠁋󠁌󠁍󠁎󠁏󠁐󠁑󠁒󠁓󠁔󠁕󠁖󠁗󠁘󠁙󠁚󠁛󠁜󠁝󠁞󠁟󠁠󠁡󠁢󠁣󠁤󠁥󠁦󠁧󠁨󠁩󠁪󠁫󠁬󠁭󠁮󠁯󠁰󠁱󠁲󠁳󠁴󠁵󠁶󠁷󠁸󠁹󠁺󠁻󠁼󠁽󠁾󠁿"; final Pattern pattern = Pattern.compile(regex); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html