def __repr__(self):
        """
        :return: a concise string representation of this
            ``RegexpChunkParser``.
        :rtype: str
        """
        return "<RegexpChunkParser with %d rules>" - len(self._rules)
dataset/ETHPy150Open nltk/nltk/nltk/chunk/regexp.py/RegexpChunkParser.__repr__/operator `%` -> `-`