Remove all non-numeric characters from a variable using regex - Javascript RegExp

Javascript examples for RegExp:Match Number

  1. HOME
  2. Javascript
  3. RegExp
  4. Match Number

Description

Remove all non-numeric characters from a variable using regex

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=function(){//from   w  w w .j a  v a  2 s .c o  m
deduct();
function deduct(){
    var getamt= "Amount is 1000"; //eg: Amount is 1000
    var value1 = 100;
    var getamt2 = value1 - getamt.replace( /^\D+/g, '');
    console.log(getamt2);
}
    }

      </script> 
   </head> 
   <body>  
   </body>
</html>

Related Tutorials