calendarDate

const calendarDate: RegExp = /^(\d{4,6})-(\d{2})-(\d{2})\[u-ca=([a-z][a-z0-9-]*)(?:;era=([a-z]+))?\]$/;

import { calendarDate } from "@northguild/gmt/regex/calendar-date";

GMT’s own calendar-annotated PlainDate string: the calendar-native year/month/day

Examples

calendarDate.test("60") // false
calendarDate.test("202") // false

Source

regex/calendar-date.ts