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With JavaScript RegExp search a hexadecimal number character.

To find a hexadecimal number character with JavaScript Regular Expression, use the following. Add the hexadecimal number here −

\xdd

Example

You can try to run the following code to find hexadecimal number character. It searches for hexadecimal number 53 i.e. S −

<html>
   <head>
      <title>JavaScript Regular Expression</title>
   </head>
   <body>
      <script>
         var myStr = "Secure and Responsive!";
         var reg = /\x53/g;
         var match = myStr.match(reg);
         
         document.write(match);
      </script>
   </body>
</html>