htaccess rewrite redirect with parameters in subfolder

Question

I want that when you go to url: http://www.example.com/subdir/paramvalue

redirects to

http://www.example.com/subdir/index.php?param=paramvalue

My .htacce

Answer 1

Place this rule in subdir/.htaccess (not site root):

RewriteEngine On
RewriteBase /subdir/

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule .+ index.php?param=$0 [L,QSA]