JSFiddle - React, Tailwind, and code Playground

JavaScript

var test = "1,123,214.19";

var t0 = performance.now();
for (var i = 0; i < 1000000; i++)
{
	var a = parseFloat(test.replace(/,/g,''));
}
var t1 = performance.now();
document.write('Regex took: ' + (t1 - t0) + ' ms');
document.write('<br>')

var t0 = performance.now();
for (var i = 0; i < 1000000; i++)
{
	var b = parseFloat(test.split(',').join(''));
}
var t1 = performance.now();
document.write('Split/join took: ' + (t1 - t0) + ' ms');