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Javascript RegExp - source Property

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Description:

source is a read-only string property of RegExp objects. It contains the text of the RegExp pattern. This text does not include the delimiting slashes used in regular-expression literals, and it does not include the "g", "i", and "m" attributes.

Syntax:

RegExpObject.source

Here is the detail of parameters:

Return Value:

Returns the text used for pattern matching

Example:

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

   re.test(str);
   document.write("The regular expression is : " +  re.source); 
</script>
</body>
</html>

This will produce following result:

The regular expression is : script 

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


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