Fix buildtag regex
Fix buildtag regex

twmt/nodeenv,jamesblunt/nodeenv,Milstein/nodeenv,chriskuehl/nodeenv,chriskuehl/nodeenv,jhermann/nodeenv,jamesblunt/nodeenv,simudream/nodeenv,twmt/nodeenv,asottile/nodeenv,simudream/nodeenv,Milstein/nodeenv,asottile/nodeenv