1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  2. <html>
  3. <head>
  4. <title>Sample Code</title>
  5. <script type="text/javascript">
  6. function CheckNumeric(ValueNumeric)
  7. {
  8. var objRegex = /(^-?\d\d*\.\d\d*$)|(^-?\d\d*$)|(^-?\.\d\d*$)/;
  10. //check for numeric characters
  13. if(objRegex.test(ValueNumeric))
  14. {
  15. alert("Your Given Input Is \""+ValueNumeric+"\" Correct.");
  16. }
  17. else
  18. {
  19. alert("Your Given Input Is Not \""+ValueNumeric+"\" Correct.");
  20. }
  21. }
  22. </script>
  23. </head>
  24. <body bgcolor=#00ff00 alink=blue vlink=blue>
  25. <FORM name="windowEvent">
  26. Number : <input type="text" name="txtnumber" />
  27. <input type="button" value="Check Number" name="btnNumber" onClick="CheckNumeric(txtnumber.value)" />
  28. </FORM>
  29. </body>
  30. </html>