def regex_lookup(self, lookup_type):
    '\n        Returns the string to use in a query when performing regular expression\n        lookups (using "regex" or "iregex"). The resulting string should\n        contain a \'%s\' placeholder for the column being searched against.\n\n        If the feature is not supported (or part of it is not supported), a\n        NotImplementedError exception can be raised.\n        '
    raise NotImplementedError
Returns the string to use in a query when performing regular expression
lookups (using "regex" or "iregex"). The resulting string should
contain a '%s' placeholder for the column being searched against.

If the feature is not supported (or part of it is not supported), a
NotImplementedError exception can be raised.
def regex_lookup(self, lookup_type):
    '\n        Returns the string to use in a query when performing regular expression\n        lookups (using "regex" or "iregex"). The resulting string should\n        contain a \'%s\' placeholder for the column being searched against.\n\n        If the feature is not supported (or part of it is not supported), a\n        NotImplementedError exception can be raised.\n        '
    raise NotImplementedError