Regex per Email su CodeProject

Interessante soluzione postata su Codeproject per il controllo dell’email.

using System.Text.RegularExpressions; public static class TestEmail
 {
   public const string MatchEmailPattern =
     @"^(([a-zA-Z0-9]+[\w-]*\.)*([a-zA-Z]{1}[\w-]*|[\w-]{2,}))@"
     + @"((([0-1]?[0-9]{1,2}|2{1}[0-5]{2})\.([0-1]?[0-9]{1,2}|2{1}[0-5]{2})\.([0-1]?[0-9]{1,2}|2{1}[0-5]{2})\.){1}|"
     + @"(([a-zA-Z]+[\w-]*\.)+))([a-zA-Z]{2,4}|([0-1]?[0-9]{1,2}|2{1}[0-5]{2}))$"; public static bool IsEmail(string email)
   {
     if (email != null) return Regex.IsMatch(email, MatchEmailPattern);
     else return false;
   }
 }

~ di pythonyan su 8 Gennaio 2008.