Saturday, August 13, 2011

How to validate url in java script

How to validate url in java script
url validation in java scrip

How to validate url in java script

This function can be used for validating url 
function isURL(s) {
 	var regexp = /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/;
 	return regexp.test(s);
}
 
 
<html>
<head>
</head>
<script language="javascript">
function isURL(s) {
 	var regexp = /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/;
 	alert(regexp.test(s));
}
</script>
<body>
	<form>
    	<input type="text" name="url" size="20" id="url"/>
        <input type="button" value="Validate" 
 onClick="javascript:isURL(document.getElementById('url').value);"/>
    </form>
</body>
</html>
 

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