*     sequence is empty
   */
  public boolean matchesNoneOf(CharSequence sequence) {
    return indexIn(sequence) == -1;
  }

  /**
   * Returns the index of the first matching BMP character in a character sequence, or {@code -1} if
   * no matching character is present.
   *
   * <p>The default implementation iterates over the sequence in forward order calling {@link
   * #matches} for each character.
   *

   *     sequence is empty
   */
  public boolean matchesNoneOf(CharSequence sequence) {
    return indexIn(sequence) == -1;
  }

  /**
   * Returns the index of the first matching BMP character in a character sequence, or {@code -1} if
   * no matching character is present.
   *
   * <p>The default implementation iterates over the sequence in forward order calling {@link
   * #matches} for each character.
   *