<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head> <title>Sample Code</title> <script type="text/javascript"> function CheckNumeric(ValueNumeric) { var objRegex = /(^-?\d\d*\.\d\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/; //check for numeric characters if(objRegex.test(ValueNumeric)) { alert("Your Given Input Is \""+ValueNumeric+"\" Correct."); } else { alert("Your Given Input Is Not \""+ValueNumeric+"\" Correct."); } } </script></head> <body bgcolor=#00ff00 alink=blue vlink=blue> <FORM name="windowEvent"> Number : <input type="text" name="txtnumber" /> <input type="button" value="Check Number" name="btnNumber" onClick="CheckNumeric(txtnumber.value)" /> </FORM> </body></html>
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