There are a frightening number of systems that don't allow "-", which isn't even an edge case. A lot of people - mostly women - hyphenate their last names on marriage, rather than throw their old name away. My wife did. She legally changed her name when she came of age, and when we met and married years later she said, "I paid for money for my name; I'm not letting it go." (Note: I wasn't pressuring her to take my name.) So she hyphenated it, and has come to regret the decision. She says she should have switched, or not, but the hyphen causes problems everywhere. It's not a legal character in a lot of systems, including some government systems.

[–] Affidavit@lemm.ee 19 points 2 hours ago (2 children)

It boggles my mind how so many websites and platforms incorrectly say my e-mail address is 'invalid' because it has an apostrophe in it.

No. It is NOT invalid. I have been receiving e-mails for years. You just have a shitty developer.

[–] rumba@lemmy.zip 5 points 1 hour ago (1 children)

worst thing is, the regex to check email has been available for decades and it's fine with apostrophies

[–] Ephera@lemmy.ml 2 points 35 minutes ago (1 children)

Well, and remember: If in doubt, send them an e-mail. You probably want to do that anyways to ensure they have access to that mailbox.

You can try to use a regex as a basic sanity check, so they've not accidentally typed a completely different info into there, but the e-mail standard allows so many wild mail addresses, that your basic sanity check might as well be whether they've typed an @ into there.

[–] rumba@lemmy.zip 1 points 29 minutes ago

The regexes are written to comply with RFC 5332 and 6854

They are well defined and you can absolutely definitively check whether an address is allowable or not.

https://datatracker.ietf.org/doc/html/rfc5322

[–] zagaberoo@beehaw.org 2 points 1 hour ago

Ugh and that happens a lot if your email domain has an even slightly unusual TLD too.

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