code: def StringEscape(self, string, match, **unused_kwargs):
      
      if match.group(1) in '\'"rnbt':
        self.string += string.decode('unicode_escape')
      else:
        self.string += string
docs: Escape backslashes found inside a string quote.
  
      Backslashes followed by anything other than ['"rnbt] will just be included
      in the string.
  
      Args:
        string: The string that matched.
        match: the match object (instance of re.MatchObject).
               Where match.group(1) contains the escaped code.