#!/usr/bin/perl
use strict;
use warnings FATAL => qw(all);

my @lines = (
    'brown vihl729 172.31.176.71:8532503_6 (v2013.02) (elicserv1.muc.ifin.com/3120 6260), start Mon 3/11 18:31',
    'stephen blrl267 172.20.150.73:233707_1 (v2) (elicserv2.muc.ifin.com/3120 4789), start Tue 3/12 6:32 ',
    'martin vihlc295 172.31.176.73:33228361_1 (v2012.11) (elicserv1.muc.ifin.com/3120 4152), start Wed 3/6 12:08 ',
);

foreach my $line (@lines) {
    my ($user, $d1, $d2, $version, $server, $d3, $s, $date) = split /\s+/, $line, 8;
    for ($version, $server) {
        s/^\(//;
        s/\)$//;
        s#/.+$##;
    }
    print "user: $user   version: $version   server: $server   date: $date\n";
}