How to tune the CNC with mod_rewrite?

Question

Apache HTTP Server

Help with setting up the CNC using the Apache mod_rewrite module
link of my site https://www.mydomain.com/contact.php?ccode=US
where US is the language of the site, the site is a multilingual user can change the language of the site himself,
you need to make a link like this https: //www.mydomain.com/us/
and so on for each language. Example : https://www.mydomain.com/es/ and so on
Thank you