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OpenAI Codex bombards SSDs with needless write operations, costing millions
(www.theregister.com)
This is a most excellent place for technology news and articles.
You're correct, current is RFC2822 (I think). The point, besides being a smartass, was that checking email address validity with just regexp is not a very good approach anyways. What you described makes much more sense, specially by verifying that the address is not just technically correct but that it actually belongs to the person filling the form.