this post was submitted on 16 Nov 2024
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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
Yeah, I'm just saying that the benefit of using such a regex isn't massive (unless you're building a service which can't send a mail).
a@bis a syntactically correct e-mail address. Most combinations of letters, an @-symbol and more letters will be syntactically correct, which is what most typos will look like. The regex will only catch fringe cases, such as a user accidentally hitting the spacebar.And then, personally, I don't feel like it's worth pulling in one of those massive regexes (+ possibly a regex library) for most use-cases.