public static bool TryParse(string value, out ValidEmail email, out IReadOnlyCollection <string> errorMessages)
{
var errorMessageList = new List <string>();
errorMessages = errorMessageList;
if (IsEmpty(value))
{
// TryParse should never fail, so report null as an error instead of ArgumentNullException.
errorMessageList.Add("Value required");
}
else
{
value = Email.Normalize(value);
if (value.Length < MinLength || value.Length > MaxLength)
{
errorMessageList.Add(string.Format("Length must be from {0} to {1} characters", MinLength, MaxLength));
}
try
{
if (new MailAddress(value).Address != value.Trim())
{
errorMessageList.Add("Invalid format");
}
}
catch
{
errorMessageList.Add("Invalid format");
}
if (value.Contains("\""))
{
// Quoted names are valid, but to keep things sane we're not accepting them.
errorMessageList.Add("Must not contain quotes");
}
}
if (errorMessageList.Count > 0)
{
email = null;
return(false);
}
email = new ValidEmail(value);
return(true);
}
public static bool TryParse(string value, out ValidEmail email)
{
IReadOnlyCollection <string> errorMessages;
return(TryParse(value, out email, out errorMessages));
}