valadating a url
basically I need it to do this....
When a user types in the complete url http://www.yoursite.com and then hits the go button it will take them to the url. But if they type in anything but a valid url I want it to display a message box and preventing them from visiting a page. If anyone types in anything but a valid url the program will crash. How do I validate that it is a valid url and not garbage.
Thanks
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