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Comment by sgdesign | Hacker News Reader

I don't see domains like .movies or .brand-name working at all. On the other hand, new two-letters domain could be useful. Like .ng ("runnin.ng"), .ay ("pl.ay"), etc.

But I don't know if those are included in the new tlds?

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A lot of the two-character TLDs are already associated with countries.

The .ng extension is Nigeria's, and goes for a whopping $50,000 per year. [1]

The .ay TLD belongs to Adygea (a republic within Russia). [2]

[1] http://www.101domain.com/ng.htm

[2] http://nationstates.wikia.com/wiki/.ay

Edit: Formatting

There is no .ay domain.

I think brand extensions will work in cases where the companies have a gigantic market of internet users -- like search.google. As for .movies, and the like, I agree.

Additionally, these new extensions are likely to include draconian rule sets with them, making them very unappealing for businesses and private owners.

How many domain-name filter regexs are hardcoded to .com/.net/.org/.mil and will never work on these new domains? Yeah, I know the countries are out there as well, but that's still a known whitelist, right?

...probably a lot that are written by those who do not care enough to read RFCs. I was recently asked on an interview to write regex that grabs "valid" e-mail addresses. I asked if I could review the RFC so I could write useful regex. I was denied, and I ended up totally uninterested in this trendy company with amateurish standards.

Slightly off topic, but even with access to the RFC you weren't likely to get that one right. Validating any email address correctly with a regex is nearly impossible (a canonical example of the horror: http://ex-parrot.com/~pdw/Mail-RFC822-Address.html and even that one has a limitation or 2). I think the only correct answer to that question is to suggest an alternative to a regular expression. It could be that was the answer they were looking for.

That seems like a really easy regex to write.

  .+@.+\..+

(note: I haven't reviewed the RFC, so this might be too strict)

two letter tld's are reserved for countries, so only 3+ are allowed indeed.

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