Question

I am trying to formulate a regex expression in JavaScript to get the cents form a number that has a decimal point. For example, an expression that can get 27 from 454.2700000. I know how to do this with split and substring but is there an easier way using just a regular expression. Thanks

Answer 1

If you really have a number and you want a number, why use strings?

var n=454.27;
var cents=Math.round(n*100)%100;

If n is a numeric string, multiplication converts it to a number:

var n= '454.270000';
var cents=Math.round(n*100)%100;