Perfect. Thanks. So it’s either like I thought (performance) or just a lack of interest in ~ 80-90% of the people coding out there - that’s why I loved ruby. no “8+3 filenames” … at least >= 1.9 
- so maybe there is hope for a future Elixir version too
At least I have a solution and some hints to the reason. Happy and satisfied.
Thanks!
Puzzles me that I haven’t found that issue in my regex unicode query I made before posting this. However: No I know that the community here is very helpful 
