Regex validation of email addresses according to RFC5321/RFC5322

Question

Does anyone know a regex that validates email addresses according to RFC5321/RFC5322?

Since (nestable) comments make the grammar irregular, only addresses without co

Answer 1

UPDATE:

As Michael Stramel noted RFC822 is outdated, please see his comment.

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As far as I know RFC822 specifies email adress syntax.

http://www.ex-parrot.com/pdw/Mail-RFC822-Address.html