Question

I would like to redirect all requests to: domain.com to a subfolder /sub, though i do not want that subfolder to show in url so that my url remains domain.com.

Is this possible at all ?

EDIT: After trying all of the suggestions i still get URL looking like domain.com/sub whenever i go to domain.com

Here is my current code

RewriteEngine On
RewriteCond %{HTTP_HOST} ^(www.)?sub.domain.com$
RewriteRule ^(/)?$ en [L]


RewriteCond %{HTTP_HOST} ^(www.)?sub.domain.fr$
RewriteRule ^(/)?$ fr [L]

My folder structure is:

/
->en
->fr

Answer 1

Try this in you htaccess file :

RewriteEngine on
RewriteCond %{HTTP_HOST} ^domain.com$ [NC]
RewriteCond %{REQUEST_URI} !^/?sub/
RewriteRule ^(.*)$ /sub/$1 [L,QSA]

Edit :

Just to do some cleaning on your posted code, it should be :

RewriteEngine On

RewriteCond %{HTTP_HOST} ^(www\.)?sub\.domain\.com$
RewriteRule ^$ /en/ [L]

RewriteCond %{HTTP_HOST} ^(www\.)?sub\.domain\.fr$
RewriteRule ^$ /fr/ [L]