use strict;
use warnings;
use Data::Dumper;

my %hash = ("NETWORK1" => "A", "NETWORK2" => "B", "TYPE1" => "C", "TYP
+E2" => "D");

my %hashslice1 = map { /^NETWORK/ ? ($_,$hash{$_}) : () } keys %hash;
print Dumper(\%hashslice1);

my %hashslice2 = map { /^TYPE/ ? ($_,$hash{$_}) : () } keys %hash;
print Dumper(\%hashslice2);

[download]

Updated: solution 2
use strict;
use warnings;
use Data::Dumper;

my %hash = ("NETWORK1" => "A", "NETWORK2" => "B", "TYPE1" => "C", "TYP
+E2" => "D");

my @keys = grep /^NETWORK/, keys %hash;
my %hashslice1;
@hashslice1{@keys} = @hash{@keys};
print Dumper(\%hashslice1);

@keys = grep /^TYPE/, keys %hash;
my %hashslice2;
@hashslice2{@keys} = @hash{@keys};
print Dumper(\%hashslice2);

[download]

In reply to Re: Hash slices by Roger
in thread Hash slices by Marcello

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