c:\@Work\Perl\monks>perl -wMstrict -le
"my $s = '123 annn xyzzy wwwewww xxx9xxx vvv_vvv eieio p pp ppp 2015 vwxz vwxzpdq';
 ;;
 my $consonant = qr{ [^\W\d_aeiouyAEIUOY] }xms;
 ;;
 printf qq{'$_' } for $s =~ m{ $consonant{4,} }xmsg;
"
'vwxz' 'vwxzpdq'