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Editorial Team
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Editorial Team
Asked: June 12, 20262026-06-12T19:34:17+00:00 2026-06-12T19:34:17+00:00

Makes this subroutine sense, if I want find binary data? sub is_binary_data { my

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Makes this subroutine sense, if I want find binary data?

sub is_binary_data {
    my $data = shift;
    return $data =~ /\x00/;
}
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  1. Editorial Team
    Editorial Team
    2026-06-12T19:34:19+00:00Added an answer on June 12, 2026 at 7:34 pm

    You may try this:

    sub is_binary_data {
      my $data = shift;
      return $data =~ /[\x00-\x1F]/;
    }
    

    this should return true if your data contains any character below \x20 (being the latter a blank space).

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