def validate_id(self, sid):
        if self._id_regexp.match(sid) is None:
            log.error("Invalid instance name '%s'. An instance name may only contain letters, numbers, dashes and underscores." + sid)
            sys.exit(1)
        return sid
dataset/ETHPy150Open ployground/ploy/ploy/common.py/BaseInstance.validate_id/operator `%` -> `+`