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With JavaScript RegExp how to search a string for text that matches regexp?

To search a string for a text that matches RegExp, use rhe exec() method in JavaScript. If it finds a match, it returns an array of results; otherwise, it returns null.

The following is the parameter −

  • string − The string to be searched

Example

You can try to run the following code to search a string for text matching RegExp −

<html>
   <head>
      <title>JavaScript RegExp exec Method</title>
   </head>
   <body>
      <script>
         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>