Text::CSV may be helpful for your problem.

#!/usr/bin/perl

use strict;
use warnings;
use Text::CSV;

my $data = <<'EOF';
1
Something\,\text\text\0x2B
X
99
1,This is a problem->\\,B,2
EOF

open my $fh, '<', \$data;
my $csv = Text::CSV->new({sep_char => ','});
while (my $row = $csv->getline($fh)) {
    print "<$_> " foreach @$row;
    print "\n";
}
__DATA__
<1> 
<Something\> <\text\text\0x2B> 
<X> 
<99> 
<1> <This is a problem->\\> <B> <2>
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