Matching part of a string using a Perl regular expression

The ^ means asserting the start of the string. If you move it to the start you could match Emulex followed by a space and make use of \K to ... Home Public Questions Tags Users Companies Collectives ExploreCollectives Teams StackOverflowforTeams –Startcollaboratingandsharingorganizationalknowledge. CreateafreeTeam WhyTeams? Teams CreatefreeTeam StackOverflowforTeamsismovingtoitsowndomain!Whenthemigrationiscomplete,youwillaccessyourTeamsatstackoverflowteams.com,andtheywillnolongerappearintheleftsidebaronstackoverflow.com. Checkyouremailforupdates. Collectives™onStackOverflow Findcentralized,trustedcontentandcollaboratearoundthetechnologiesyouusemost. LearnmoreaboutCollectives Teams Q&Aforwork Connectandshareknowledgewithinasinglelocationthatisstructuredandeasytosearch. LearnmoreaboutTeams MatchingpartofastringusingaPerlregularexpression AskQuestion Asked 3years,3monthsago Modified 3years,3monthsago Viewed 1ktimes 2 New!Savequestionsoranswersandorganizeyourfavoritecontent.Learnmore. Inthevariable$hobbitIhavestoredvalue"EmulexLPe16000". NowIneedaregularexpressiontomatchthe"LPe16000"partofthevalueafter"Emulex". Pleaseignoreanysyntaxerrors,Iamanoviceatperl..! $hobbit="EmulexLPe16000" if($hobbit=~m/Emulex^\w+$/) print"lol"; regexperlsubstring Share Improvethisquestion Follow editedJul8,2019at17:23 zdim 60k44goldbadges5050silverbadges7777bronzebadges askedJul8,2019at15:45 shubhamshubham 14411goldbadge11silverbadge88bronzebadges 1 2 ^means"thebeginningofthestring".ItneedstobebeforeEmulex.Thenyoucanput\w+inacapturinggroup. – 41686d6564standsw.Palestine Jul8,2019at15:47 Addacomment  |  2Answers 2 Sortedby: Resettodefault Highestscore(default) Trending(recentvotescountmore) Datemodified(newestfirst) Datecreated(oldestfirst) 4 The^meansassertingthestartofthestring.IfyoumoveittothestartyoucouldmatchEmulexfollowedbyaspaceandmakeuseof\Ktoforgetwhatwasmatched. Thenmatch1+wordcharacters\w+andasserttheendofthestring$ ^Emulex\K\w+$ Regexdemo|Perldemo Ifyouwanttoprintthematch,yourcodemightlooklike: my$hobbit="EmulexLPe16000"; if($hobbit=~m/^Emulex\K\w+$/){ print$&; } Share Improvethisanswer Follow editedJul8,2019at16:25 answeredJul8,2019at15:48 ThefourthbirdThefourthbird 140k1616goldbadges4646silverbadges6565bronzebadges Addacomment  |  2 \Kismuchbetterwaytodoit,yetthisexpressionmightalsowork: Emulex\s+([A-Z]+[a-z]+[0-9]+) Test usestrict; my$str='EmulexLPe16000'; my$regex=qr/Emulex\s+([A-Z]+[a-z]+[0-9]+)/mp; my$subst='$1'; my$result=$str=~s/$regex/$subst/rg; print$result\n"; Theexpressionisexplainedonthetoprightpanelofthisdemo,ifyouwishtoexplorefurtherormodifyit,andinthislink,youcanwatchhowitwouldmatchagainstsomesampleinputsstepbystep,ifyoulike. Share Improvethisanswer Follow answeredJul8,2019at15:51 EmmaEmma 27k1010goldbadges4141silverbadges6565bronzebadges Addacomment  |  YourAnswer ThanksforcontributingananswertoStackOverflow!Pleasebesuretoanswerthequestion.Providedetailsandshareyourresearch!Butavoid…Askingforhelp,clarification,orrespondingtootheranswers.Makingstatementsbasedonopinion;backthemupwithreferencesorpersonalexperience.Tolearnmore,seeourtipsonwritinggreatanswers. Draftsaved Draftdiscarded Signuporlogin SignupusingGoogle SignupusingFacebook SignupusingEmailandPassword Submit Postasaguest Name Email Required,butnevershown PostYourAnswer Discard Byclicking“PostYourAnswer”,youagreetoourtermsofservice,privacypolicyandcookiepolicy Nottheansweryou'relookingfor?Browseotherquestionstaggedregexperlsubstringoraskyourownquestion. TheOverflowBlog IntroducingtheOverflowOfflineproject Hehelpedbuild.NETandVSCode—Now’sheworkingonWeb3(Ep.499) FeaturedonMeta The2022Community-a-thonhasbegun! 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