Use Regular Expression to validate date : Date « Regular Expressions « JavaScript Tutorial





<html>
<head>
<title>Date Example</title>
<script type="text/javascript">
    function isValidDate(sText) {
        var reDate = /(?:0[1-9]|[12][0-9]|3[01])\/(?:0[1-9]|1[0-2])\/(?:19|20\d{2})/;
        return reDate.test(sText);
    }
    function validate() {
        var oInput1 = document.getElementById("txt1");
        if (isValidDate(oInput1.value)) {
            alert("Valid");
        } else {
            alert("Invalid!");
        }

    }
</script>
</head>
<body>
    <P>Date: <input type="text" id="txt1" /><br />
    example: 05/05/2005<br />
    <input type="button" value="Validate" onclick="validate()" /></p>
</body>
</html>










26.3.Date
26.3.1.Use Regular Expression to validate date
26.3.2.Validate the Date