.htaccess rewrite subdomain

[tuarek]

I have a domain any.com with "wildcard".

RewriteEngine on
RewriteCond %{REQUEST_URI} !subdomains
RewriteCond %{HTTP_HOST} ^(www\.)?(.*).example.com$
RewriteRule .* /subdomains/%2%{REQUEST_URI}

But i need delegate two sub-domain (a.example.com, b.example.com) to the other server - new dns
how and what I do
please help

[edited by: jdMorgan at 3:02 pm (utc) on Jun 17, 2010]
[edit reason] example.com [/edit]

[jdMorgan]

In DNS, define A records for the two specific subdomains to point them to the 'other server.'

You code has one fatal error, and is prone to several other failures. I'd recommend:

RewriteEngine on
#
RewriteCond %{REQUEST_URI} !/subdomains/
RewriteCond %{HTTP_HOST} ^(www\.)?([^.]+(\.[^.]+)*)\.example\.com\.?(:[0-9]+)?$
RewriteRule .* /subdomains/%2%{REQUEST_URI} [L]

You could also write it as:

RewriteEngine on
#
RewriteCond $1 !subdomains/
RewriteCond %{HTTP_HOST} ^(www\.)?([^.]+(\.[^.]+)*)\.example\.com\.?(:[0-9]+)?$
RewriteRule ^(.*)$ /subdomains/%2$1 [L] 

-or-

RewriteEngine on
#
RewriteCond %{HTTP_HOST} ^(www\.)?([^.]+(\.[^.]+)*)\.example\.com\.?(:[0-9]+)?$
RewriteRule !^subdomains/ /subdomains/%2%{REQUEST_URI} [L]

If requests to the 'other server' actually resolve to this same server and execute this same .htaccess code, then you will need to exclude those two specific subdomains from this rule using a negative-match RewriteCond, such as:

RewriteEngine on
#
RewriteCond %{HTTP_HOST} ^(www\.)?([^.]+(\.[^.]+)*)\.example\.com\.?(:[0-9]+)?$
RewriteCond %2 !^(excluded-subdomain1|excluded-subdomain2)$
RewriteRule !^subdomains/ /subdomains/%2%{REQUEST_URI} [L]

Jim

[tuarek]

thx for answer :)

k, one question

here: excluded-subdomain1 = excluded-sub or excluded-sub.example.com ?

Mario

[jdMorgan]

It is exactly the same subdomain string as the one to be inserted into the filepath by the RewriteRule, since it is taken from the same "%2" variable.

Jim