def search_rule(self, search):
        """
        Search the RouteMap policy using a search string
        
        :param str search: search string for a contains match against
            the rule name and comments field
        :rtype: list(RouteMapRule)
        """
        return [RouteMapRule(**rule) for rule in self.make_request( 
            resource='search_rule', params={'filter': search})]