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# Javascript RegExp - exec Method

## Description:

The exec method searches string for text that matches regexp. If it finds a match, it returns an array of results; otherwise, it returns null.

## Syntax:

    RegExpObject.exec( string );

Here is the detail of parameters:

- string : The string to be searched

## Return Value:

Returns the matched text if a match is found, and null if not.

## Example:

    <html>
    <head>
    <title>JavaScript RegExp exec Method</title>
    </head>
    <body>
    <script type="text/javascript">
       var str = "Javascript is an interesting scripting language";
       var re = new RegExp( "script", "g" );

       var result = re.exec(str);
       document.write("Test 1 - returned value : " +  result);

       re = new RegExp( "pushing", "g" );
       var result = re.exec(str);
       document.write("<br />Test 2 - returned value : " +  result);
    </script>
    </body>
    </html>

This will produce following result:

    Test 1 - returned value : script
    Test 2 - returned value : null

To understand it in better way you can Try it yourself.

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