python - 我正在尝试编写用于捕获特定单词的正则表达式来替换它

我有以下声明，

sentence = " Hi my goal is to achieve highest score in mathematics, but my friend has scored some how more. and now i am myself depressed.

我想将所有“我的”替换为“代词”，如下所示。我不想取代我自己就是想保持自己的状态

预期输出为：

Hi PRONOUN goal is to achieve highest score in mathematics, but PRONOUN friend has scored some how more. and now i am myself depressed.

我已经尝试在python中遵循正则表达式

 regex = re.sub(r'\\bmy$')

最佳答案

你很亲密在开始和结束处使用边界。

例如：

import re

sentence = "Hi my goal is to achieve highest score in mathematics, but my friend has scored some how more. and now i am myself depressed."
print(re.sub(r'\bmy\b', "PRONOUN", sentence))

输出：

Hi PRONOUN goal is to achieve highest score in mathematics, but PRONOUN friend has scored some how more. and now i am myself depressed.