Fix regex error in perl highlighting
Fix regex error in perl highlighting

danr/kakoune,lenormf/kakoune,alexherbo2/kakoune,danr/kakoune,casimir/kakoune,jkonecny12/kakoune,Somasis/kakoune,danr/kakoune,casimir/kakoune,jkonecny12/kakoune,mawww/kakoune,danr/kakoune,mawww/kakoune,lenormf/kakoune,mawww/kakoune,casimir/kakoune,lenormf/kakoune,lenormf/kakoune,jkonecny12/kakoune,jkonecny12/kakoune,Somasis/kakoune,casimir/kakoune,alexherbo2/kakoune,Somasis/kakoune,alexherbo2/kakoune,Somasis/kakoune,alexherbo2/kakoune,mawww/kakoune