Scalastyle standard configuration 200 -1,0,1,2,3,4,5,6,7,8,9,10,11,12,1970 println\( *(s"[^" ]|"[^" ]|[^" ]{2}) Only println statements with a string starting with a space are allowed. All others are considered debug printlns. true ^([+-\\*/><]|==|<=|>=|Action[A-Za-z0-9]*)$ true