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professional-javascript-07-BadWordsExample2.htm / htm

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
          <title>Bad Words Example</title>
          <script type="text/javascript">
                  function filterText(sText) {
                      var reBadWords = /badword|anotherbadword/gi;
                      return sText.replace(reBadWords, function (sMatch) {
                          return sMatch.replace(/./g, "*");
                  function showText() {
                      var oInput1 = document.getElementById("txt1");
                      var oInput2 = document.getElementById("txt2");
                      oInput2.value = filterText(oInput1.value);
          <p>Enter some text below including "badword" and "anotherbadword", and click the button<br />
          <textarea rows="10" cols="50" id="txt1"></textarea><br />
          <input type="button" value="Filter Bad Words" onclick="showText()" /></p>
          <p>Filtered Text:<br />
          <textarea rows="10" cols="50" id="txt2"></textarea></p>

(C) Æliens 20/2/2008

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