code: def parse_re(self):
      re = self.parse_alt()
      if not self.end:
          self.error("Unexpected %s" % repr(self.c))
      return re
  
file_path: catboost/contrib/tools/cython/Cython/Plex/Traditional.py
imports: from __future__ import absolute_import
  from .Regexps import Alt, Seq, Rep, Rep1, Opt, Any, AnyBut, Bol, Eol, Char
  from .Errors import PlexError
label_desc: Use image node_id 2 for calling the REParser obj's underlying member method code with example usage: obj.parse_re() and returns: re