What you have after your update (Note: Please mark your OP as Updated) correctly matches (and replaces with the empty string) as follows:
    /  \w+  /   [^/]*   .  \w+        $
    /  bod  /  agendas  /  2010 <end-of-string>

You may want something like: 

>perl -wMstrict -le
"my $folder_path = '/aboutiso/corp_gov/bod/agendas/2010';
 $folder_path =~ s{ / [^/]+ \z }{}xms;
 print qq{folderpath: '$folder_path'};
"
folderpath: '/aboutiso/corp_gov/bod/agendas'

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In reply to Re: Regex output incorrect by AnomalousMonk
in thread Regex output incorrect by begood321

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