On 9/5/22, Alejandro Colomar <alx.manpa...@gmail.com> wrote: > Hmmm, I found it to behave differently from what you say here, but I > can't reproduce it now. I guess I had some other issue, and that it was > my mistake.
Your environment's setting of LC_CTYPE afftects how grep (and probably other tools in that pipeline) interprets input, so if you've been fiddling with that, or using different environments where it's set differently, that might be the culprit.