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professional-javascript-07-EmailExample.htm / htm

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
          <title>E-mail Example</title>
          <script type="text/javascript">
                  function isValidEmail(sText) {
                      var reEmail = /^(?:\w+\.?)*\w+@(?:\w+\.)+\w+/;
                      return reEmail.test(sText);
                  function validate() {
                      var oInput1 = document.getElementById("txt1");
                      if (isValidEmail(oInput1.value)) {
                      } else {
          <p>E-mail Address: <input type="text" id="txt1" /><br />
          <input type="button" value="Validate" onclick="validate()" /></p>

(C) Æliens 20/2/2008

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