regex to find url in a text

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I looked into this issue last year and developed a solution that you may want to look at – See: URL Linkification (HTTP/FTP) This link is a test page for the Javascript solution with many examples of difficult-to-linkify URLs.

My regex solution, written for both PHP and Javascript – is not simple (but neither is the problem as it turns out.) For more information I would recommend also reading:

The Problem With URLs by Jeff Atwood, and
An Improved Liberal, Accurate Regex Pattern for Matching URLs by John Gruber

The comments following Jeff’s blog post are a must read if you want to do this right…

Note that this question gets asked a lot. Maybe do a search next time 🙂

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