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Python正则表达式入门
2、 Python正则表达式用于匹配字符串模式。 3、 正则表达式是由字符和特殊符号构成的模式串,用于描述文本中的字符组合或重复规律。它能够识别并匹配符合特定规则的一组字符串,通过定义模板来查找、替换或验证具有相似特征的文本内容,实现高效灵活的 ...
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