LINQPad query to take a listing of emails, with some items containing comma-delimited list of emails, and finds distinct ones.

Distinctive Emails.md

LINQPad query to take a listing of emails, with some items containing comma-delimited list of emails, and finds distinct ones.

var emails = new List<string>()
{
"test.one@example.com",
"test.one@example.com, test.two@example.com",
"test.two@example.com"
};

var cleanedEmails = new List<string>();

foreach (var email in emails)
{
	if (email.Contains(","))
	{
		cleanedEmails.AddRange(email.Split(','));
	}
	else
	{
		cleanedEmails.Add(email);
	}
}

cleanedEmails.Select(c => c.Trim()).Distinct().OrderBy(c => c).Dump();