JavaScript RegExp - [0-9]

Description

[0-9] matches any decimal digit from 0 through 9.

Example

Following example shows usage of RegExp expression.

Live Demo 
<html>
   <head>
      <title>JavaScript RegExp</title>
   </head>
   
   <body>
      <script type = "text/javascript">
         var str = "first";
         var pattern = /[0-9]/g;

         var result = str.match(pattern);
         document.write("Test 1 - returned value : " +  result); 

         str = "2nd";
         result = str.match(pattern);
         document.write("<br/>Test 2 - returned value : " +  result); 	 		 
      </script>
   </body>
</html>

Output

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