<html>
<head>
<title>JavaScript RegExp</title>
</head>
<body>
<script type = "text/javascript">
var str = "ab1";
var pattern = /abc/g;
var result = str.match(pattern);
document.write("Test 1-returned value : " + result);
str = "abc";
result = str.match(pattern);
document.write("<br/>Test 2-returned value : " + result);
</script>
</body>
</html>
Test 1-returned value : null
Test 2-returned value : abc
