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Alex Rivera
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I have a string A and want to test if another string B is not part of it. This is a very simple regex whose result can be inverted afterwards. I could do: /foobar/.test('foobar@bar.de') and invert it afterwards, like this: !(/foobar/).test('foobar@bar.de') The problem I have is, that I need to do it within the regular expression and not with their result. Something like: /!foobar/.test('foobar@bar.de') (which does not work) In other words: the regular expression should test for a non-existence and return true in that case. Is this possible with JavaScript?
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