Hard to read, but if you want to invert a logical clause you also have to switch and to or and invert all sub-clauses.

see De_Morgan's_laws

And consider to use List::MoreUtils 'any' instead of grep.

HTH =)

Cheers Rolf

( addicted to the Perl Programming Language)

update

s/ List::Util / List::MoreUtils /

In reply to Re: Strange bevahiour of grep function. by LanX
in thread Strange bevahiour of grep function. by kmxillo

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