JS对金额添加/去除千分位

const MoneyTest = /((^[1-9]d*)|^0)(.d{0,2}){0,1}$/;

const comdify = function (n) {

if(!n) return n;

let str = n.split('.');

let re = /d{1,3}(?=(d{3})+$)/g;

let n1 = str[0].replace(re, "$&,");

return str.length > 1 && str[1] ? `${n1}.${str[1]}` : `${n1}.00`;

};

const delcommafy = function (num){

if(!num) return num;

num = num.toString();

num = num.replace(/,/gi, '');

return num;

}