jQuery addClass example

Change class name on click in jQuery

by mukkaram waheed

HTML

<form>
<input type="text" id="format1" />

<input type="submit" id="sub" value="submit" />
</form>

JavaScript

$("#format1").change(function() {
    /* var addressinput = $(this).val().split('/'); */
/*     var wordnew = $(this).text().split('/');
     		alert(addressinput[0]); */
				var pattern = /^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$/;

var validateDate = pattern.test($(this).val());

if(validateDate)
{
 alert('Date is valid');
}
else
{
alert('Date is not valid');
}

 		});