code: def __repr__(self):
      return "<matches_re validator for pattern {regex!r}>".format(
          regex=self.regex
      )
  
imports: from __future__ import absolute_import, division, print_function
  import re
  from ._make import _AndValidator, and_, attrib, attrs
  from .exceptions import NotCallableError
label_desc: Use image node_id 2 for calling the _MatchesReValidator obj's underlying member method code with example usage: obj.__repr__() and returns: str