Fix a regression introduced in aa6f7c82.
Fix a regression introduced in aa6f7c82.

The regular expression changed, and returned the wrong page number to
the command completion.

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