python sub

在Python中，sub()函数用于在字符串中搜索并替换匹配正则表达式的部分。它接受三个参数：正则表达式模式、替换的字符串或函数以及要进行替换的原始字符串。subn()函数与sub()函数类似，但它返回一个元组，包含替换后的字符串和替换的次数。\[1\]这两个函数在实现搜索和替换功能时非常有用。
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- *1* [Python sub()和subn()函数：搜索和替换](https://blog.csdn.net/weixin_39989190/article/details/110773593)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [Python基础——字符串](https://blog.csdn.net/weixin_44162361/article/details/125073877)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
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