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Regex (regular expression) to match a URL

Published in: PHP 

This regular expression matches a URL.

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  1. https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?
  2.  
  3. PHP Example: Automatically link URL's inside text.
  4.  
  5. $text = preg_replace('@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@', '<a href="$1">$1</a>', $text);

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Posted By: hathrill on August 20, 2009

Exactly what I needed. I heart you.

Posted By: jpo on September 1, 2009

Perfect. Thank you!

Posted By: cjastram on October 21, 2009

Perfect for copy-and-paste. Very nice regex, thank you! -cej102937

Posted By: goozak on November 10, 2009

Great regex, thanks ! Small thing : the '-' (dash) is missing - URL like this fails (http://web5.uottawa.ca/admingov/reglements-methodes.html)

Posted By: goozak on November 10, 2009

Great regex, thanks ! Small thing : the '-' (dash) is missing - URL like this fails (http://web5.uottawa.ca/admingov/reglements-methodes.html)

Posted By: inhahe on November 28, 2009

it's also missing left parenthesis, right parenthesis, and comma.

Posted By: tannerc on December 18, 2009

Perfect! I spent the better part of this morning looking for a great URL matching snippet and finally found it here. Thank you!

Posted By: joshOiknine on January 14, 2010

Took me a few min to track this down on Google but it was exactly what I was looking for. Thank You.

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