// Copyright 2017-2019 @polkadot/ui-api authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

const NUMBER_REGEX = new RegExp('(\\d+?)(?=(\\d{3})+(?!\\d)|$)', 'g');

export default function decimalFormat (value: string): string {
  return (value.match(NUMBER_REGEX) || []).join(',');
}