Re: Extracting hostname from URI column

[Gregory Stark <stark(at)enterprisedb(dot)com>]

"Paul Lambert" <paul(dot)lambert(at)autoledgers(dot)com(dot)au> writes:

> What would be the best way to do something like that? I assume it won't be a
> simple regex like the above due to the country codes on the end of some
> domains. My thought is look at the last portion of the domain, if it's 2
> characters long then assume it's a country code and grab the last three
> sections, if it's not three characters long then assume it's an international
> domain and grab the last two... but that sounds a bit dodgy.

Not all countries break up their national tld space into sections like .co.uk
or .com.au. Canadian domains can be bought directly under .ca like amazon.ca.

I think you'll have to store a specific list of tlds and how deep you want to
look.

-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com