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A comment on In search of the perfect URL validation regex (2010).

Re:In search of the perfect URL validation regex (2010) by dmix on Saturday September 25, 2021 @02:10PM (#28655008)
@stephenhay seems to be the winner here if you don't need IP addresses (or weird dashed URLS). It's only 38 characters long and easy to understand.

    @^(https?|ftp)://[^\s/$.?#].[^\s]*$@iS
The simpler the better, if you're going to use something that is not ideal.
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Re:In search of the perfect URL validation regex (2010) by loloquwowndueo on Saturday September 25, 2021 @03:47PM (#28655705)
Doesn’t cover mailto: which is fairly common. To be pedantic/strict, mailto: are URIs not URLs.
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