My input file is a large txt file with concatenated texts I got from an open text library. I am now trying to extract only the content of the book itself and filter out other stuff such as disclaimers etc. So I have around 100 documents in my large text file (around 50 mb). My input file is a large txt file with concaten
阅读背景：
re.findall正则表达式挂起或非常慢
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