config.js

window.config = {
    numberFormatting: [/\B(?=(\d{3})+(?!\d))/g, " "],
    priceNumberFormatting: [/\B(?=(\d{3})+(?!\d))/g, " "],
    priceFormatting: [/^(\d)/, '$$$1'],
};

priceFormatting

Currency at the end [/(\d)$/, '$1$'] to change currency symbol [/(\d)$/, '$1€']

Currency at the beginning [/^(\d)/, '$$$1'] to change currency symbol [/^(\d)/, '€$1']