Finding a substring within a string : Regular Expressions « Development « JavaScript DHTML

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JavaScript DHTML » Development » Regular Expressions 
Finding a substring within a string
   


<html>
  <head>
    <title>Finding a substring within a string</title>
    <script type="text/javascript">
        var a = "This is a test.";
        var b = a.indexOf("is");
        
        document.write(b);    
    </script>
  </head>
  <body>
  </body>
</html>

   
    
    
  
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