@Test
  public void matchIntegers() {
    List<Integer> n = StringUtilities.matchIntegers("1091_20150217210000");

    assertEquals("[1091]", n.toString());
  }
  @Test
  public void matchInteger() {
    Integer n = StringUtilities.matchInteger("1091_20150217210000");

    assertEquals("1091", n.toString());
  }