message: Fix faulty datetime parser regex
diff: @@ -35,7 +35,7 @@ import { SEVEN_DAYS_AGO, MIDNIGHT, MOMENT_FORMAT } from './constants';
  * @see: https://www.w3.org/TR/NOTE-datetime
  */
  const iso8601 = String.raw`\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(?:\.\d+)?(?:(?:[+-]\d\d:\d\d)|Z)?`;
  -const datetimeConstant = String.raw`TODAY|NOW`;
  +const datetimeConstant = String.raw`(?:TODAY|NOW)`;
  const grainValue = String.raw`[+-]?[1-9][0-9]*`;
  const grain = String.raw`YEAR|QUARTER|MONTH|WEEK|DAY|HOUR|MINUTE|SECOND`;
  const CUSTOM_RANGE_EXPRESSION = RegExp(
  