parameters: (self, string)
docstring: Do a partial match of the string with the grammar. The returned
          :class:`Match` instance can contain multiple representations of the
          match. This will never return `None`. If it doesn't match at all, the "trailing input"
          part will capture all of the input.
  
          :param string: The input string.
docstring_summary: Do a partial match of the string with the grammar. The returned
          :class:`Match` instance can contain multiple representations of the
          match. This will never return `None`. If it doesn't match at all, the "trailing input"
          part will capture all of the input.
docstring_tokens: Do a partial match of the string with the grammar . The returned : class : Match instance can contain multiple representations of the match . This will never return None . If it doesn t match at all the trailing input part will capture all of the input .
function: def match_prefix(self, string):
          """
          Do a partial match of the string with the grammar. The returned
          :class:`Match` instance can contain multiple representations of the
          match. This will never return `None`. If it doesn't match at all, the "trailing input"
          part will capture all of the input.
  
          :param string: The input string.
          """
          # First try to match using `_re_prefix`. If nothing is found, use the patterns that
          # also accept trailing characters.
          for patterns in [self._re_prefix, self._re_prefix_with_trailing_input]:
              matches = [(r, r.match(string)) for r in patterns]
              matches = [(r, m) for r, m in matches if m]
  
              if matches != []:
                  return Match(string, matches, self._group_names_to_nodes, self.unescape_funcs)
function_tokens: def match_prefix ( self , string ) : # First try to match using `_re_prefix`. If nothing is found, use the patterns that # also accept trailing characters. for patterns in [ self . _re_prefix , self . _re_prefix_with_trailing_input ] : matches = [ ( r , r . match ( string ) ) for r in patterns ] matches = [ ( r , m ) for r , m in matches if m ] if matches != [ ] : return Match ( string , matches , self . _group_names_to_nodes , self . unescape_funcs )