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validate a url (regexp) (See related posts)

function isUrl(s) {
	var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
	return regexp.test(s);
}


usage: if (isUrl("http://www.page.com")) alert("is correct")
else alert("not correct");
to javascript regexp by rafaeltds on Mon Jul 04 05:45:29 -0400 2005

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