code: def Match(self, registry_key):
      
      key_path = registry_key.path.upper()
      if self._key_path_prefix and self._key_path_suffix:
        if (key_path.startswith(self._key_path_prefix) and
            key_path.endswith(self._key_path_suffix)):
  
          key_path_segment = key_path[
              len(self._key_path_prefix):-len(self._key_path_suffix)]
          if key_path_segment.startswith('ControlSet'.upper()):
            try:
              control_set = int(key_path_segment[10:], 10)
            except ValueError:
              control_set = None
  
            # TODO: check if control_set is in bounds.
            return control_set is not None
  
      return key_path in (self._key_path_upper, self._wow64_key_path_upper)
docs: Determines if a Windows Registry key matches the filter.
  
      Args:
        registry_key (dfwinreg.WinRegistryKey): Windows Registry key.
  
      Returns:
        bool: True if the keys match.