JavaScript - RegExp exec Method


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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

Its syntax is as follows −

RegExpObject.exec( string );

Parameter Details

string − The string to be searched

Return Value

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

Example

Try the following example program.

<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>

Output

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

javascript_regexp_object.htm

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