Here's another option:

use Modern::Perl;

my $IPs =  '192.168.1.1-192.168.1.254';
$IPs =~ s/(.+\.)(\d+)(\s*-\s*.+\.)(\d+)/$1 . ($2 - 1) . $3 . ($4 + 1)/
+e;
say $IPs;

[download]

Output:

192.168.1.0-192.168.1.255

[download]

In reply to Re: replacing the last portions of an octet by Kenosis
in thread replacing the last portions of an octet by diamondsandperls

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