function formatWithComma(nStr) { nStr += ''; if(nStr.length < 4 ) { return nStr; } var x = nStr.split('.'); var x1 = x[0]; var x2 = x.length > 1 ? '.' + x[1] : ''; var rgx = /(\d+)(\d{3})/; while (rgx.test(x1)) { x1 = x1.replace(rgx, '$1' + ',' + '$2'); } return x1 + x2; } export { formatWithComma }