Best way to remove thousand separators from string amount using a regex

Question

I have variables that contain amounts and would like to remove the (US) thousand separators but also have to cover the scenario that there may be non-US formatted amounts wh

Answer 1

if (string.match(/\.\d{2}$/) {
    string = string.replace(',', '');
}

or

string.replace(/,(?=.*\.\d+)/g, '');