regex check if a string matches a url

public bool IsUrl(string input)
{
  string pattern = @"^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$";
  Regex reg = new Regex(pattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
  return reg.IsMatch(input);
}

IsUrl("https://www.google.com");