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PAN Card Number Validation

, 28 Nov 2012 CPOL
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Sample script for PAN card number validation.

PAN card number is a unique national number issued in India for tax related purposes.

To validate PAN card, call this line of code (JavaScript) on onblur like:

<asp:TextBox ID="txtpancard"
   runat="server"  Width="190px" 
   onblur="fnValidatePAN(this);" >
<script type="text/javascript" language="javascript">
    function fnValidatePAN(Obj) {
        if (Obj == null) Obj = window.event.srcElement;
        if (Obj.value != "") {
            ObjVal = Obj.value;
            var panPat = /^([a-zA-Z]{5})(\d{4})([a-zA-Z]{1})$/;
            var code = /([C,P,H,F,A,T,B,L,J,G])/;
            var code_chk = ObjVal.substring(3,4);
            if ( == -1) {
                alert("Invalid Pan No");
                return false;
            if (code.test(code_chk) == false) {
                alert("Invaild PAN Card No.");
                return false;


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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