Fix regexp bug.
Fix regexp bug.

davidbau/pencilcode,sakagg/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,dweintrop/pencilcode,xinan/pencilcode,dweintrop/pencilcode,dweintrop/pencilcode,davidbau/pencilcode,davidbau/pencilcode,davidbau/pencilcode,xinan/pencilcode,Dinuka2013513/pencilcode,Dinuka2013513/pencilcode,dweintrop/pencilcode,Dinuka2013513/pencilcode,Dinuka2013513/pencilcode,sakagg/pencilcode,davidbau/pencilcode,PencilCode/pencilcode,sakagg/pencilcode,cacticouncil/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,PencilCode/pencilcode,sakagg/pencilcode,cacticouncil/pencilcode,PencilCode/pencilcode,PencilCode/pencilcode