Thanks for the notes!

I am on a shared server and there already is some kind of server configuration. I sadly cannot even see this server config, but I know it contains lots of location blocks, which at least partly interfere with what I am trying to do. That is why I use modifiers to make _my_ blocks kick in instead of theirs. You might say I should change the host ... sadly it's not so easy... :-(

So back to my problem:

I already do have this location block in my config:

location /wiki/images {
# Separate location for /wiki/images
try_files $uri =404;
}

However, the rewriting from location ~* "^/" { } is still taking place also inside folder /wiki/images. I want nginx to return the existing file or error 404. Shouldn't my block do exactly that?

Jörg