using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; namespace EFB.Controllers.FormAuthenticator { public static class FormAuthenticator { public static bool ValidateEMail(string EMail){ if (EMail.Contains("@") && EMail.Contains(".") && !EMail.Contains(" ")) { if (EMail.Count(x => x == '@') == 1) { return true; } } return false; } } }