替换整个单词 Python(仅变量) [英] Replace whole word Python (only variable)

问题描述

我正在尝试编写一个仅替换字符串变量中的整个单词的代码.首先，我找到了 re.sub 解决方案，但没有提到内部变量.现在我的解决方案看起来(它不会替换整个单词):

I am trying to do a code which replace only whole word in string variable.First of all I found re.sub solution but there was no mentioned about variable inside. Now my solution looks (it does not replace whole word):

for index in (range(len(lista)):
    query=query.replace(lista[index],var)

如上例所示，我想用 VAR -> 中的值替换 lista[index] 中的值变量.

As on example above, I want to replace value in lista[index] with value from VAR -> variable.

示例查询:

Select Information,AdditionalInformation,Price from Table

示例列表:

Information, Price 

示例变量:

var = "hide"

最后查询应该看起来:

Select hide,AdditionalInformation,hide from Table

推荐答案

我认为这应该可行:

for word in alist:
    query = re.sub(r'\b'+word+r'\b',var,query)

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