Python匹配并返回两个字符串之间的内容

Question

我有以下代码

stringA = "xxxxxxFoundAaaaaaaaaaaaaaaFoundBxxxxxxx"
stringB = "FoundA"
stringC = "FoundB"

在Python中如何使用正则表达式以返回aaaaaaaaaaaaaa？

- Peter S.

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如果你有 stringA = "xxxxxxFoundAaaaaaFoundAaaaaFoundBaaaaaFoundBxxxxxxx"，会发生什么？ - nosklo

Answer 1

>>>
>>> stringA = "xxxxxxFoundAaaaaaaaaaaaaaaFoundBxxxxxxx"
>>> stringB = "FoundA"
>>> stringC = "FoundB"
>>>
>>> import re
>>> re.search(re.escape(stringB)+"(.*?)"+re.escape(stringC),stringA).group(1)
'aaaaaaaaaaaaaa'
>>>

- YOU

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“FAIL” 没有使用 re.escape()。 - John Machin

Answer 2

re.search(re.escape(stringB) + "(.*?)" + re.escape(stringC), stringA).group(1)

- John Machin