JavaScript RegExp - source

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

Its syntax is as follows −

RegExpObject.source

Return Value

Returns the text used for pattern matching.

Example

Live Demo 
<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>

Output

The regular expression is : script