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Regular Expression Details

Title Test Find Pattern Title
Expression
((http\://|https\://|ftp\://)|(www.))+(([a-zA-Z0-9\.-]+\.[a-zA-Z]{2,4})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9%:/-_\?\.'~]*)?
Description
This RE matches the web links which begin http://, ftp://, https:// or www. You can edit this disadvantage easy...
Matches
www.diskusneforum.sk | http://diskusneforum.sk | ftp://23.45.267.189/
Non-Matches
diskusneforum.sk | localhost
Author Rating: Not yet rated. Martin Ille
Source
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Existing User Comments

Title: Failure on bad url
Name: gianiaz
Date: 3/16/2008 3:54:17 AM
Comment:
It fails with this unvalid url http://www.test


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