check for unhandled_keys before compiling regex
check for unhandled_keys before compiling regex

Plexxi/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,Plexxi/st2