python 正则使用笔记

python正则使用笔记

def remove_br(content):"""去除两边换行符"""content = content.replace("<br>", "<br />").replace("<br >", "<br />")while re.findall("^<br />|<br />$", content):content = re.sub(r'^<br />|<br />$', "", content)return contentif __name__ == "__main__":s =  remove_br("<br><br>ab<br />c<br><br>")print s

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