I have found a simple solution for my particular case, as I know that I only want to match certain strings from the log file and none of the match strings will be none ASCII characters.
I can use the ReadBackwards to read the line in then strip out none ASCII and null characters.
my $ERRORLINES_IN = File::ReadBackwards->new($logfile) or die "$logfil
+e : $!\n";
while (defined($logline = $ERRORLINES_IN->readline)) {
$logline =~ s/[^[:ascii:]]//g;
$logline =~ s/\0//g;
It's not a perfect solution but it works for my case.
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