I am not sure myself sometimes where version becomes release. What about this one?: 
#!/usr/bin/perl
use warnings;
use strict;

use Text::Table;

my $tb = Text::Table->new(qw/NAME VERSION RELEASE ARCH/);
while(<DATA>) {
    $tb->load( [ /^(.*)-(.*)-(.*)\.(.*)$/ ] );
}
print $tb;

__DATA__
fipscheck-1.2.0-1.el5.x86_64
iptables-ipv6-1.3.5-5.3.el5_4.1.x86_64
libXi-1.0.1-4.el5_4.i386
perl-Carp-Clan-5.3-1.2.1.noarch
rpm-build-4.6.1-2.el5.x86_64

[download]
Output: 
NAME           VERSION RELEASE     ARCH  
fipscheck      1.2.0   1.el5       x86_64
iptables-ipv6  1.3.5   5.3.el5_4.1 x86_64
libXi          1.0.1   4.el5_4     i386  
perl-Carp-Clan 5.3     1.2.1       noarch
rpm-build      4.6.1   2.el5       x86_64

[download]
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: regex for rpm: name, version, release, arch by choroba
in thread regex for rpm: name, version, release, arch by mhearse

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