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 

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