$ echo $'aaa\xFFaaa' | xclip -i # copy to clipboard

##</code><code>##

fe.ff.0.e3.0.82.0.b8

##</code><code>##


$ $ perl -MEncode -e 'printf "%vx\n", Encode::decode( "UTF-16", "\xFE\xFF\x00\x82\x00\xB8")'
82.b8