> Could you please give an example for this? How do you "change the UTF8 flag"?

use v5.12.0;
use warnings;
#use Devel::Peek;

use utf8;
use Encode qw(is_utf8 _utf8_on _utf8_off);

my $str = "ä";
say $str, ":",length($str);

#Dump($str);

_utf8_off($str);
say $str, ":",length($str);

#Dump($str);

[download]

ä:1
ä:2

[download]

Cheers Rolf
(addicted to the 𐍀𐌴𐍂𐌻 Programming Language :)
Wikisyntax for the Monastery

In reply to Re^7: Seeking Perl docs about how UTF8 flag propagates by LanX
in thread Seeking Perl docs about how UTF8 flag propagates by raygun

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