Fixed regex classes with only one member not working in action mode
Fixed regex classes with only one member not working in action mode

diku-kmc/repg,diku-kmc/kleenexlang,diku-kmc/kleenexlang,diku-kmc/kleenexlang,diku-kmc/repg,diku-kmc/kleenexlang,diku-kmc/repg,diku-kmc/repg,diku-kmc/kleenexlang,diku-kmc/repg,diku-kmc/kleenexlang,diku-kmc/repg