findstr or grep that autodetects chararacter encoding (UTF-16)

Question

I want to do this:

 findstr /s /c:some-symbol *

or the grep equivalent

 grep -R some-symbol *

but I need

Answer 1

A workaround is to convert your UTF-16 to ASCII or ANSI

TYPE UTF-16.txt > ASCII.txt

Then you can use FINDSTR.

FINDSTR object ASCII.txt