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By: a guest on Jun 22nd, 2012  |  syntax: None  |  size: 0.23 KB  |  hits: 15  |  expires: Never
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  1. Javascript Form Validation 4 Number Option
  2. var input = document.getElementById("myInput");
  3. var validNumbers = /^(123|777|989|111)$/;
  4. var isFormValid = validNumbers.test(input.value);
  5. if (!isFormValid)
  6. {
  7.     alert("Not Valid");
  8. }
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