Add some info about regex syntax
Add some info about regex syntax

mawww/kakoune,Somasis/kakoune,casimir/kakoune,ekie/kakoune,occivink/kakoune,occivink/kakoune,danr/kakoune,ekie/kakoune,jkonecny12/kakoune,Somasis/kakoune,jjthrash/kakoune,mawww/kakoune,Somasis/kakoune,mawww/kakoune,flavius/kakoune,flavius/kakoune,flavius/kakoune,danr/kakoune,jkonecny12/kakoune,mawww/kakoune,casimir/kakoune,occivink/kakoune,jjthrash/kakoune,ekie/kakoune,alexherbo2/kakoune,lenormf/kakoune,alexherbo2/kakoune,ekie/kakoune,jkonecny12/kakoune,lenormf/kakoune,danr/kakoune,alexherbo2/kakoune,occivink/kakoune,lenormf/kakoune,casimir/kakoune,flavius/kakoune,danr/kakoune,jjthrash/kakoune,jjthrash/kakoune,Somasis/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,casimir/kakoune,lenormf/kakoune