@technobuddha/library/src/extract-digits.test.ts

A large library of useful functions

import { extractDigits } from './extract-digits.ts';
import { empty } from './unicode.ts';

describe('extractDigits', () => {
  test('should add Suffixes when needed', () => {
    expect(extractDigits('abcdef')).toBe(empty);
    expect(extractDigits('a0b1c2d3e4')).toBe('01234');
    expect(extractDigits('123')).toBe('123');
    expect(extractDigits(empty)).toBe(empty);
  });
});