private static String readComment(String input,int index){
  String comment=null;
  Matcher matcher=COMMENT_PATTERN.matcher(input.substring(index));
  if (matcher.find()) {
    comment=matcher.group(1);
    comment=comment.substring(1);
  }
  return comment;
}

private static String readComment ( String input , int index ) { String comment = null ; Matcher matcher = COMMENT_PATTERN . matcher ( input . substring ( index ) ) ; if ( matcher . find ( ) ) { comment = matcher . group ( 1 ) ; comment = comment . substring ( 1 ) ; } return comment ; }
reads the first comment line from the input , and returns the comment line ( including the line break character ) without the leading " # " .
