Case sensitivity while finding cards

Is this ok or am I doing something wrong?
Anki search is case sensitive in my language.

Program and OS versions

Version 2.1.35 (84dcaa86)
Python 3.8.1 Qt 5.15.1 PyQt 5.15.1

OS: Ubuntu 18.04.5 lts bionic
Kernel: x86_64 Linux 5.4.0-48-generic

I’ve added the following to the manual.

  • Standard searches are case insensitive for Latin characters - a-z will
    match A-Z, and vice versa. Other characters such as Cyrillic are case sensitive
    in a standard search, but can be made case insensitive by searching on a word
    boundary or regular expression (w:, re:).