Regex email validator

C#

private static bool IsValidEmailAddress(string email)
{
const string pattern = @"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$";
var regex = new System.Text.RegularExpressions.Regex(pattern);
return regex.IsMatch(email);
}


VB

Private Shared Function IsValidEmailAddress(email As String) As Boolean
Const  pattern As String = "^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$"
Dim regex = New System.Text.RegularExpressions.Regex(pattern)
Return regex.IsMatch(email)
End Function