regexp cheatsheet - Devhints

Basic cheatsheets for regular expression · One-page guide to regexp. Devhints.io Edit RegExp Characterclasses Pattern Description . Anycharacter,exceptnewline \w Word \d Digit \s Whitespace \W Notword \D Notdigit \S Notwhitespace [abc] Anyofa,b,orc [a-e] Charactersbetweenaande [1-9] Digitbetween1and9 [[:print:]] Anyprintablecharacterincludingspaces [^abc] Anycharacterexcepta,borc Anchors Pattern Description \G Startofmatch ^ Startofstring $ Endofstring \A Startofstring \Z Endofstring \z Absoluteendofstring \b Awordboundry \B Non-wordboundry ^abc Startwithabc abc$ Endwithabc Escapedcharacters Pattern Description \.\*\\ Escapespecialcharacterusedbyregex \t Tab \n Newline \r Carriagereturn Groups Pattern Description (abc) Capturegroup (a|b) Matchaorb (?:abc) Matchabc,butdon’tcapture Quantifiers Pattern Description a* Match0ormore a+ Match1ormore a? Match0or1 a{5} Matchexactly5 a{,3} Matchupto3 a{3,} Match3ormore a{1,3} Matchbetween1and3 Lookahead&Lookbehind Pattern Description a(?=b) Matchainbabybutnotinbay a(?!b) MatchainStanbutnotinStab (?<=a)b Matchbincrabsbutnotincribs (?