RewriteEngine On

# تبدیل /bot0/ به index.php?bot=bot0
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^bot([0-9]+)/?$ index.php?bot=bot$1 [L,QSA]

# تبدیل /main/ به index.php?bot=main
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^main/?$ index.php?bot=main [L,QSA]