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img source regex

Posted By:      Posted Date: May 22, 2011    Points: 0   Category :WPF
I need to replace all the client side image tag source values in an html source code string. I'm not using HtmlAgilityPack because I don't know the path to the image tags which varies. What is the regex for the image source? It always starts with "http://" but anything after that can vary. Is this possible?

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