}
    try {
      matcher.indexIn("", -1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
    }
    assertEquals(-1, matcher.lastIndexIn(""));
    assertFalse(matcher.matchesAnyOf(""));
    assertTrue(matcher.matchesAllOf(""));
    assertTrue(matcher.matchesNoneOf(""));
    assertThat(matcher.removeFrom("")).isEqualTo("");
    assertThat(matcher.replaceFrom("", 'z')).isEqualTo("");