From https://stackoverflow.com/users/4400590/lisprogtor

lisprogtor_unicode_SO.p6

##https://stackoverflow.com/q/60365292/7270649
say "â" ~~ /\w/; # you have to have a space following the "a" with "^" for it to work
#｢â｣
say "�" ~~ /\w/; # without the space, the character doesn't look normal
#Malformed UTF-8 at line 1 col 6

say "â".chars; # looks like 2 chars, but it says 1 char
#1
say "â".comb.[0]; # strange, the pesky char makes the space precede the cursor as I type
#â
say "â".comb.[0 ]; # strange, the pesky char makes the space precede the cursor as I type
#â
say "â".comb.[0];  # there is a space following ']' or it won't work
#â
say "â".comb.[0 ]; # very strange, must have space before ']'
#â
say "â".comb;
#(â)
say "â".comb.[0].ord; # # same here, very strange, it makes space precede the cursor
#226
my $a = Buf.new(226);
#Buf:0x<E2>
say $a.decode('utf8-c8');
#􏿽xE2
for @$a { say $_.chr; };
#â
say (@$a).elems;
#1
say "â" ~~ / <alpha> /; # again, must have space in the quote
#｢â｣
# alpha => ｢â｣
say "â" ~~ / <cntrl> /;
#Nil

say "----", "\n";
say $a.decode;
#Malformed termination of UTF-8 string
#  in block <unit> at <unknown file> line 1