You can get what you want like this: 
my $blah = 'reagen OR siedl OR smith AND jack';

my ( @names, @split_values );

push @{ /\A(?:OR|AND)\z/ ? \@split_values : \@names }, $_ for split ' 
+', $blah;

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In reply to Re: using split by jwkrahn
in thread using split by rsiedl

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