Welcome to the Monastery, zesys!

The top of that page says:

The following is dynamic list of all of the deployments that have data. It is being pulled from the deployments web service using the URL https://data.oceannetworks.ca/api/deployments?method=get&token=[YOUR_TOKEN_HERE]

Why don't you just use that API?

Anyway, if you need to parse HTML, then don't use regular expressions. Here's an example with Mojo::DOM:

use warnings;
use strict;
use Mojo::UserAgent;
use Mojo::DOM;

my $ua = Mojo::UserAgent->new( max_redirects=>3 );
my $dom = $ua->get(
    'https://wiki.oceannetworks.ca/display/O2A/Available+Deployments'
    )->result->dom;
$dom->find('.confluenceTable tr')->each(sub {
    my $tr = shift;
    my ($locationCode, $deviceCode, $dateFrom, $dateTo) = map {
        $tr->find(".confluenceTd:nth-of-type($_)")
            ->map('all_text')->join } 1..4;
    print "locationCode=$locationCode, deviceCode=$deviceCode, ",
        "dateFrom=$dateFrom, dateTo=$dateTo\n";
});
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