The "www" part is probably causing a problem too. As the regex is
written it will only match "www.<subdomain>.<domain>.<tdl>" which I'm
guessing isn't what you intent. I would instead treat "www" as another
possible subdomain.

~^(?<subdomain>[^\.]*\.)?(?<domain>[^\.]*)\.(?<tld>[^\.*)$

Note I haven't tested this, but it's similar to a pattern I've used. The
$subdomain variable will be either the subdomain, "www", or will be
empty. It would need some more tweaking to handle multiple subdomains
(one.two.domain.com).

_Nik

On 3/26/2013 11:01 AM, huttarichard wrote:
> Thanks lot, but still wont to work.
> And how i set $subdomain to "default" if subdomain doesnt exists?
>
> I try this:
> ~^(www\.)(?<subdomain>[^\.]*)(?<domain>[^\.]*)\.(?<tld>[^\.]*)$
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,237799,237814#msg-237814
>
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