RewriteEngine On

RewriteCond %{HTTP_HOST} ^example\.cz [nc]
RewriteRule (.*) http://www.example.cz/$1 [R=301,L]


RewriteCond %{REQUEST_URI} !^domains/
RewriteCond %{REQUEST_URI} !^/domains/
RewriteCond %{HTTP_HOST} ^(www\.)?(.*)$
RewriteCond %{DOCUMENT_ROOT}/domains/%2 -d
RewriteRule (.*) domains/%2/$1 [DPI]


RewriteCond %{REQUEST_URI} !^/subdom/
RewriteCond %{HTTP_HOST} !^www\.example\.cz [NC]
RewriteCond %{HTTP_HOST} ^([^.]+)\.example\.cz
RewriteRule (.*) /subdom/%1/$1 [L]


RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^domains/[^/]+/(.+[^/])$ /$1/ [R]


RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^subdom/[^/]+/(.+[^/])$ /$1/ [R]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ index.php?q=$1  [QSA,L]