@webapp2.cached_property
    def regex(self):
        regex, reverse_template, args_count, kwargs_count, variables = \
            webapp2._parse_route_template(self.prefix / '<:/.*>')
        return regex
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webapp2-2.3/webapp2_extras/routes.py/PathPrefixRoute.regex/operator `+` -> `/`