opc.three (1/15/2013)
Leveraging the validation built into the System.Net.Mail.MailAddress constructor is clever and I did not have to set trustworthy on to use it. The RegEx version is nice too. I wonder which one is faster.
I will try to put together a test later today. At a guess I would think they would be pretty close if all the data is valid. When the emails are invalid I think the regex version will start to sneak ahead because of the additional overhead of throwing exceptions.
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