def period_context_re(self):
        try:
            return self._re_period_context
        except:
            self._re_period_context = re.compile(
                self._period_context_fmt %
                {
                    'NonWord': self._re_non_word_chars,
                    'SentEndChars': self._re_sent_end_chars,
                },
                re.UNICODE | re.VERBOSE)
            return self._re_period_context
Compiles and returns a regular expression to find contexts
dataset/ETHPy150Open reefeed/wanish/wanish/tokenizers.py/PunktLanguageVars.period_context_re