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问题描述
正在寻找一些正则表达式帮助.我想设计一个表达式,匹配带有foo"或bar"的字符串,但不能同时匹配foo"和"栏"
Looking for a bit of regex help.I'd like to design an expression that matches a string with "foo" OR "bar", but not both "foo" AND "bar"
如果我做类似...
/((foo)|(bar))/
它将匹配foobar".不是我要找的.那么,如何仅在存在一个术语或另一个术语时才进行正则表达式匹配?
It'll match "foobar". Not what I'm looking for. So, how can I make regex match only when one term or the other is present?
谢谢!
推荐答案
你可以用一个正则表达式来做到这一点,但我建议为了可读性你做一些像......
You can do this with a single regex but I suggest for the sake of readability you do something like...
(/foo/ and not /bar/) || (/bar/ and not /foo/)
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