用正则表达式查找'== text =='

Question

I just can't figure out how to find all '== foo ==' without getting all the '==== bar ===='. 我只是无法弄清楚如何找到所有'== foo =='而没有得到所有'==== bar ===='。 Using ^={2}.*={2}$ doesn't work for some reason. 使用^={2}.*={2}$由于某种原因不起作用。 Maybe because i want to find multiple strings like '== foo ==' within one text. 也许是因为我想在一个文本中找到多个字符串，如'== foo =='。

for example: 例如：

"== foo ==
lorem ipsum
== bar == 
==== bar ===="

should only return == foo == and == bar == 应该只返回== foo ==和== bar ==

Answer 1

Add negative look-arounds for extra = : 为extra =添加负面外观：

(?<!=)== \w+ ==(?!=)

Demo: https://regex101.com/r/7u7590/2 演示： https ： //regex101.com/r/7u7590/2

用正则表达式查找'== text =='

问题描述

1 个解决方案

解决方案1
6 已采纳 2017-03-15 10:49:30

用正则表达式查找'== text =='

问题描述

1 个解决方案

解决方案1 6 已采纳 2017-03-15 10:49:30

解决方案1
6 已采纳 2017-03-15 10:49:30