APM URL Branching tolower

Hello Folks,

Situation is: I've a Per-Request-Policy with URL Branching for specific URL to activate a 2 FA. 

-> this is working.

Problem: URL Branching is only working with a exact matching URI's => case sensitive

e.g. URL Branch: /path/path123

      -> incoming request -> /path/path123/ -> 2FA working

      -> incoming request -> /path/Path123/ -> 2FA is bypassed

Is there any possibility in APM to change all incoming requests to lower case with an in-build-function (only for URL Branch checking)?

Current workaround would be an iRule to convert all URI's to lower case. I have no idea whether this is always a good idea (maybe the backend can't handle case - insensitive paths).

Thanks a lot.

R.