I would do something like this : 
use strict;
use warnings;

my $fullname = '/windows/system32/cmd.exe';
my $p = rindex($fullname, '/');
my $filename = ++$p ? substr($fullname, $p) : $fullname;
print "$fullname\n\n$filename";
exit;

[download]
This is a simple & fast solution.

In reply to Re: Regex for ignoring paths by harangzsolt33
in thread Regex for ignoring paths by Amblikai

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