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Comment by armada651 | Hacker News Reader

Yes, it is essential when you want to avoid doing business with customers who have invalid names.

You joke, but when a customer wants to give your company their money, it is our duty as developers to make sure their names are valid. That is so business critical!

It's not just business necrssary, it's also mandatory to do rigjt under gdpr

In legitimate retail, take the money, has always been the motto.

That said, recently I learned about monetary policy in North Korea and sanctions on the import of luxury goods.

Why Nations Fail (2012) by Daron Acemoglu and James Robinson

https://en.wikipedia.org/wiki/United_Nations_Security_Counci...

What are “invalid names” in this context? Because, depending on the country the person was born in, a name can be literally anything, so I’m not sure what an invalid name looks like (unless you allow an `eval` of sorts).

The non-joke answer for Europe is extened Latin, dashes, spaces and apostrophe sign, separated into two (or three) distinct ordered fields. Just because it's written in a different script originally, doesn't mean it will printed only with that on your id in the country of residence or travel document issued at home. My name isn't written in Latin characters and it's fine. I know you can't even try to pronounce them, so I have it spelled out in above mentioned Latin script.

Non-joke answer for Europe is at least Latin, Greek or Cyrillic (български is already one of the official EU languages!). No reason to treat them differently, just don't allow for mixing them so you won't get homoglyphs. EURid (.eu-NIC) gets it mostly right I believe.

The non-theoretical answer for Europe is just Latin because the names need to eventually be read by people who don't know Greek or Cyrillic.

Obligatory xkcd https://xkcd.com/327/

What if your customer is the artist formerly known as Prince or even X Æ A-12 Musk?

Prince is still mostly screwed, even without spurious validation; Unicode doesn't allow personal symbols. Some discussion here: https://www.unicode.org/mail-arch/unicode-ml/Archives-Old/UM...

Prince: "Get over yourself and just use your given name." (Shockingly, his given name actually is Prince; I first thought it was only a stage name)

Musk: Tell Elon to get over his narcissism enough to not use his children as his own vanity projects. This isn't just an Elon problem, many people treat children as vanity projects to fuel their own narcissism. That's not what children are for. Give him a proper name. (and then proceed to enter "X Æ A-12" into your database, it's just text...)

Sure it is just text, but the context is someone who wrote a isValidHumanName() function.

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