@coven/cron@0.3.3

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import { buildUnicode, DIGIT, END, quantity, START } from "jsr:@coven/expression@^0.3.3";
import { test } from "jsr:@coven/predicates@^0.3.3";
import { RANGE_EXPRESSION_SEPARATOR_TOKEN } from "./tokens.ts";

/**
 * Regular expression to test if given string is a range.
 */
export const rangeStringTest: (text: string) => boolean = test(
	buildUnicode(
		START,
		quantity("1,2")(DIGIT),
		RANGE_EXPRESSION_SEPARATOR_TOKEN,
		quantity("1,2")(DIGIT),
		END,
	),
);