__init__.py 文件源码

def _do_match(self, text):
        if self.use_regex:
            try:
                flags = re.UNICODE
                if not self.case_sensitive:
                    flags |= re.IGNORECASE
                return bool(re.findall(self.pattern, text, flags=flags))
            except Exception as ex:
                logger.warning('Regular expression match failed', exc_info=True)
                raise self.BadPatternException(str(ex))
        else:
            if self.case_sensitive:
                pattern = self.pattern
            else:
                pattern = self.pattern.lower()
                text = text.lower()
            return pattern in text