Match string using regular expressions in JavaScript

Description

The following code shows how to match string using regular expressions.

Example


<!--from  w  w w.  j a  v  a  2s  .  c  o  m-->

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">

var text = "look, room, doom";
var pattern = /.oo/;

var matches = text.match(pattern);
document.writeln(matches.index); //0
document.writeln(matches[0]); //"oo"
document.writeln(pattern.lastIndex); //0

</script>
</head>
<body>
</body>
</html>

Click to view the demo

The code above generates the following result.

Match string using regular expressions in JavaScript

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  Javascript Tutorial »
    Data Type »
      String

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