Javascript function need allow numbers, dot and comma

Question

I need to create a function to allow numbers dot and comma. So anyone corrects the following function

function on(evt) {
  var theEvent = evt || window.event         


        

Answer 1

Your regex is incorrect.

var regex = /^[0-9.,]+$/;

Regex javascript, why dot and comma are matching for \

https://stackoverflow.com/tags/regex/info