In search of the perfect URL validation regex

Re:In search of the perfect URL validation regex by eridius on Sunday June 22, 2014 @05:11PM (#7929227)

John Gruber (of daringfireball.com) came up with a regex for extracting URLs from text (Twitter-like) years ago, and has improved it since. The current version is found at https://gist.github.com/gruber/249502.

I haven't tested it myself, but it's worth looking at.

Original post: http://daringfireball.net/2009/11/liberal_regex_for_matching...

Updated version: http://daringfireball.net/2010/07/improved_regex_for_matchin...

Most recent announcement, which contained the Gist URL: http://daringfireball.net/linked/2014/02/08/improved-improve...

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Re:In search of the perfect URL validation regex by masklinn on Sunday June 22, 2014 @05:15PM (#7929251)

Isn't it the @gruber v2 column from the page? It looks to have no false negative, but many false positives. The only one which does perfect on the tested set is Diego Perini's https://gist.github.com/dperini/729294

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Re:In search of the perfect URL validation regex by eridius on Sunday June 22, 2014 @07:25PM (#7929561)

Hrm, you're right. I managed to miss seeing that while skimming the page.

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