Numeric Validation using Jquery and Regular Expression

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//Script For Check Validation

<script type=”text/javascript”>

jQuery(document).ready(function ($) {
var NumericPattern = /^([0-9])*$/;// Regular Expression For Numeric Only

$(“input[id$=btnAdd]”).click(function () {

var number = $(“input[id$=txtMobile]”).val().trim();

if (number == “”) {
alert(“Please enter mobile number”);
return false;
}
else  (!NumericPattern.test(number)) {
alert(“Please enter numeric value.”);
return false;

}
});

});
</script>

//Controls in Design Page

<asp:TextBox ID=”txtMobile” runat=”server” ></asp:TextBox>
<asp:Button ID=”btnAdd” runat=”server” />