docs: protected static String cut(String delimiter, int column, String lineText) {
  		if (lineText == null || lineText.isEmpty()) {
  			return null;
  		}
  		final String[] columns = lineText.split(Pattern.quote(delimiter));
  		if (columns != null && column >= 0 && column < columns.length) {
  			return columns[column].trim();
  		}
  		return null;
  	}