Mega Code Archive
Use indexOf method the search a substring
<![CDATA[
< html>
<head>
<title>Using the indexOf() method</title>
<script type="text/javascript" language="javascript">
<!-- //
var myString = "A ab abc abcd";
var mySubstring = "abc";
var foundAtPosition;
foundAtPosition = myString.indexOf(mySubstring,0);
document.write("<P>The string " + mySubstring + " was found at position " + foundAtPosition);
// -->
</script>
</head>
<body>
</body>
</html>
]]>