thousands-separator.js

const ThousandsSeparatorRegex = () => {
  const format = (value, separator = ',') => {
    const formatToThousands = (str, formater = ',') => str.toString().replace(/\B(?=(\d{3})+(?!\d))/g, formater);

    if (value >= 0 || (value.length >= 0 && value.length <= 15)) {
      const formatedThousands = formatToThousands(value, separator);
      return formatedThousands;
    } else if (value < 0) {
      const formatedThousands = formatToThousands(value, separator);
      return formatedThousands;
    }
    return '0';
  };

  return { format };
};

export default ThousandsSeparatorRegex;