12345678910111213141516171819202122
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { bytesToUuid } from "./_common.ts";
const UUID_RE = new RegExp(  "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$",  "i",);
export function validate(id: string): boolean {  return UUID_RE.test(id);}
export function generate(): string {  const rnds = crypto.getRandomValues(new Uint8Array(16));
  rnds[6] = (rnds[6] & 0x0f) | 0x40; // Version 4  rnds[8] = (rnds[8] & 0x3f) | 0x80; // Variant 10
  return bytesToUuid(rnds);}