public IActionResult Register(string usr, string mail, string pss) { ViewBag.Completed = false; if (usr == null) { return(View()); } ViewBag.Successfull = false; ViewBag.Mail = mail; var mailRegex = new Regex("^.+@.+[.].+$"); usr = usr.TrimName().MakeSafe(); mail = mail.MakeSafe(); // Add to Registrator list if (pss != null && mail != null && usr != null && mailRegex.IsMatch(ViewBag.Mail) && Registrator.Add(usr, mail, pss)) { ViewBag.Successfull = true; } ViewBag.Completed = true; return(View()); }