Method groupCount

java/com/google/re2j/Pattern.java:323–325

Returns the number of capturing groups in this matcher's pattern. Group zero denotes the entire pattern and is excluded from this count. @return the number of capturing groups in this pattern

()

   * @return the number of capturing groups in this pattern
   */
  public int groupCount() {
    return re2.numberOfCapturingGroups();
  }

  /**
   * Return a map of the capturing groups in this matcher's pattern, where key is the name and value