去除标点
test['clean'] = test.content.apply(lambda x:re.sub(r'[\s+\.\!\/_,$%^*(+\"\')]+|[+——()?【】“”！，。？、~@#￥%……&*（）]+:：', " ",x))
取出中文
chapter['ch'] = chapter.content.apply(lambda x:re.sub(r'[^\u4e00-\u9fa5]', "",x))Python正则积累
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