JSFiddle - React, Tailwind, and code Playground

by suraj ahir

JavaScript

var r = /^\$?[0-9,]+\.?[0-9]*$/;

console.log(r.test("$1243,43434.55434343"));  //true
console.log(r.test("$12,000.55"));  //true
console.log(r.test("$12,000.000000000"));    //true
console.log(r.test("$12"));     //true

console.log(r.test("$$12"));     //false
console.log(r.test("$12.555")); //false