export function EscapeStringRegexp(string: string) {
	if (typeof string !== "string") {
		throw new TypeError("Expected a string");
	}

	// Escape characters with special meaning either inside or outside character sets.
	// Use a simple backslash escape when it's always valid, and a `\xnn` escape when the simpler form would be disallowed by Unicode patterns' stricter grammar.
	return string.replace(/[|\\{}()[\]^$+*?.]/gu, "\\$&").replace(/-/gu, "\\x2d");
}

export function IsRecord(maybeRecord: unknown): maybeRecord is Record<string, unknown> {
	return typeof maybeRecord === "object" && maybeRecord !== null;
}

export function IsHexadecimalString(s: string): boolean {
	return /^[0-9a-f]+$/iu.test(s);
}