使用正则表达式删除单词开头或结尾的撇号 [英] Remove an apostrophe at the beginning or at the end of a word with regex

问题描述

我有一个包含单词的 String 列表.某些单词在开头或结尾都有单引号，例如:

I have a list of String that contains word. Some words have apostrophe at the beginning or/and at the end like this:

apple
'orange
banana'
joe's

我只想删除像这样的单词的开头和结尾的撇号:

I want to delete only the apostrophes at the beginning and at the end of the words like this:

apple
orange
banana
joe's

我已经尝试过以下正则表达式，但不起作用:

I have tried with the following regex but it doesn't work:

myString.replaceAll("((?<=^)'|'(?=$))", "");

它在IntelliJ中不起作用:

It does not work in IntelliJ:

但是它可以与

为什么正则表达式不起作用，如何删除开头和结尾的撇号?

谢谢您的帮助！

推荐答案

我了解我的错误，我忘记了分配作业...

I understand my mistake, I forgot to make the assignment…

myString = myString.replaceAll("(\B'\b)|(\b'\B)", "");

谢谢你，很抱歉这个愚蠢的问题.

Thank you and sorry for this dumb question.

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