Dear list,
I was surprised to learn that 'grep -i' does not really work for accented letters odin:~$ cat a křížala kŘíŽala odin:~$ grep -i ž a křížala odin:~$ grep -i Ž a kŘíŽala As I had LC_COLLATE="C", I tried also with this set to en_US.UTF-8, but to no avail. Does grep -i only work for ascii letters? Is there a general way to achive 'true' case insensitive match (other than list all possibly present accented letters in both forms, i.e., as [žŽ] in my case? Thanks Ruda