code: @Override
      public String getMatchPattern() {
          String dateMatchPattern = "([mMdDnYyhHsS\\-/:]+)";
          return String.format("%s%s%s%s;%s%s%s%s, Format: %s%s",
                  OPEN_RANGE_BRACKET_PATTERN,
                  SPACE_DELIMITER_PATTERN,
                  DATE_PATTERN,
                  SPACE_DELIMITER_PATTERN,
                  SPACE_DELIMITER_PATTERN,
                  DATE_PATTERN,
                  SPACE_DELIMITER_PATTERN,
                  CLOSE_RANGE_BRACKET_PATTERN,
                  SPACE_DELIMITER_PATTERN,
                  dateMatchPattern);
      }
docs: /* (non-Javadoc)
  @see com.github.mkolisnyk.aerial.expressions.ValueExpression#getMatchPattern()