assertMatch.ts

function assertMatch(actual:string, regex: string | RegExp, msg?:string):void {
  const regexNorml:RegExp = _.isString(regex) ? new RegExp(regex as string) : regex;

  const isMatch = regexNorml.test(actual);

  if (!isMatch) {
    assert.fail(actual, regexNorml.toString(), msg, 'matches');
  }
}