def _validate_string(self, text):
    if not re.match(tokenize.Name, text):
      raise ValueError('%s should only contain ascii letters or digits.' %
                       text)
Call L{_sendError} or L{_sendFailure}, depending on whether C{fail}
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/file_format_parser.py/_Parser._validate_string--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/spread/pb.py/Broker._sendFailureOrError