<html>
<head>
<title>Sample Code</title>
<script type="text/javascript">
function Check(MyStr)
{
var objRegex = /(^[0-9]+[-]*[0-9]+$)/;
if(objRegex.test(MyStr) == true)
//Write Here Your Logic...
alert("Match Criteria");
}
else
alert("Please Enter Only Digits & Hyphen.");
</script>
</head>
<body bgcolor=#00ff00 alink=blue vlink=blue>
<FORM name="windowEvent">
Number : <input type="text" name="txtnumber" />
<input type="button" value="Check" name="btnNumber" onClick="Check(txtnumber.value)" />
</FORM>
</body>
</html>
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