Debuggex: Online visual regex tester. JavaScript, Python, and ...

Test your regex by visualizing it with a live editor. JavaScript, Python, and PCRE. Pricing Blog Tutorial Login/Signup Share CodeSnippet Usingregexesforextractingdatafromwebpages?Checkout ParseHub, avisualwebscrapingtoolbuiltbytheteambehindDebuggex. {{reMetaModel.title}} {{reMetaModel.description}} DoneEditing EmbedonStackOverflow ViewCheatsheet VisualModeTextMode {{nfaModel.error.msg}}   Result: Matches Doesnotmatch startingattheblacktriangleslider UnitTests (showhide) Help Addnewunittest Logintoaddunittests Youhaven'taddedanyunittestsyet {{unitTestModel.tests.length}}TotalTests: Passing({{unitTestModel.tests.length}}); Failing({{unitTestModel.failing.length}}) Nounittestsadded. ExpectedMatches(hoveroverhighlightsfordetails) ActualMatches  Edit   Passing  Enterastringtobetested.Ifallhighlightedmatchesandsubgroups lookcorrect,click"Thisisright". Thisisright Thisiswrong Suggest Cancel Delete Enterastringtobetested.Ifallhighlightedmatchesandsubgroups lookcorrect,click"Thisisright". Thisisright Thisiswrong Suggest Cancel Library (showhide) Help {{dep.title}} Logintoviewdetailsofthisregex Showcheatsheet {{flavors[reModel.flavor].external}}regexquickreference(hide): [abx-z] Onecharacterof:a,b,ortherangex-z [^abx-z] Onecharacterexcept:a,b,ortherangex-z a|b aorb a? Zerooronea's(greedy) a?? Zerooronea's(lazy) a* Zeroormorea's(greedy) a*? Zeroormorea's(lazy) a+ Oneormorea's(greedy) a+? Oneormorea's(lazy) a{4} Exactly4a's a{4,8} Between(inclusive)4and8a's a{9,} 9ormorea's (?>...) Anatomicgroup (?=...) Apositivelookahead (?!...) Anegativelookahead (?<=...) Apositivelookbehind (?...) Acapturinggroupnamedn ^ Beginningofthestring $ Endofthestring \d Adigit(sameas[0-9]) \D Anon-digit(sameas[^0-9]) \w Awordcharacter(sameas[_a-zA-Z0-9]) \W Anon-wordcharacter(sameas[^_a-zA-Z0-9]) \s Awhitespacecharacter \S Anon-whitespacecharacter \b Awordboundary \B Anon-wordboundary \n Anewline \t Atab \cY ThecontrolcharacterwiththehexcodeY \xYY ThecharacterwiththehexcodeYY \uYYYY ThecharacterwiththehexcodeYYYY . Anycharacter \Y TheY'thcapturedgroup (?1) Recurseintonumberedgroup1 (?&x) Recurseintonamedgroupx (?P=n) Thecapturedgroupnamed'n' (?#...) Acomment Full{{flavors[reModel.flavor].external}}regexcheatsheet × SharingExpression Sharethislinktogetbacktoexactlythispage: × EmbedExpression PastethiscodeintoaStackOverflowanswertoembedanimagewithalink tothisexactpage: Preview: DebuggexDemo × GenerateCodeSnippet Thefreetierdoesn'tsupportcodesnippetsusingexpressionsfrom thelibrary.Upgrademyaccount. Copyandpastethissnippetdirectlyintoyourcode: {{genModel.val}}