How to redirect to 404 page if page doesn't exist via htaccess?

Question

CMS

How to redirect to 404 page if page doesn't exist via htaccess?

Answer 1

If you need to make a banal 404 then really ErrorDocument 404 /404.html
If you need to include this in RewriteCond %{REQUEST_URI}
then no way. Only in nginx. Yes, and that is a dubious pleasure.