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Re: truncate string to byte count

by ikegami (Pope)
on Feb 28, 2019 at 20:43 UTC ( #1230687=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub truncate_utf8 {
       my ($utf8, $len) = @_;
       $len += 0;  # Make sure $len is a number.
       return $utf8 =~ s/^.{0,$len}\K(?![\x80-\xBF]).*//sr;
    }
    
  2. or download this
    sub truncate_utf8 {
       my ($utf8, $len) = @_;
    ...
       $next = chop($utf8) while (ord($next) & 0xC0) == 0x80;
       return $utf8;
    }
    

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