Mega Code Archive
Use Regular Expression to validate date
<![CDATA[
< 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>
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