test.raku

#! /usr/bin/env raku;

my subset Spanish where .starts-with( ｢¿｣ );
my subset English where !.starts-with( ｢¿｣ ) && .ends-with( ｢?｣ );

multi query (Spanish $_) { ｢A Spanish question｣  }
multi query (English $_) { ｢An English question｣ }

say query( 'Hello World?'  );
say query( '¿Hello World?' );