function testing.assertMatchimport { testing } from "https://deno.land/x/denoexec@v1.1.5/deps.ts"; const { assertMatch } = testing; assertMatch(actual: string,expected: RegExp,msg?: string,): voidMake an assertion that actual match RegExp expected. If not then throw. Parametersactual: stringexpected: RegExpoptionalmsg: stringReturnsvoid