{"Street name" => "Sample Street",
"House number" => "123",
"ZIP Code" => "45678",
"City name" => "Randomcity"}

##</code><code>##

{"Sample Street 12345678 Randomcity" => ""}

##</code><code>##

use warnings;
use strict;
use Mojo::DOM;
use Mojo::Util qw/trim/;
use Data::Dump;

my $dom = Mojo::DOM->new(<<'HTML');
  <div class="address">
          <div class="icon"></div>
          <address>
            Sample Street 123<br/>45678 Randomcity          </address>
        </div>
HTML

my %hash_address = @{ $dom->find('address')->map(sub {
return ( trim($_->text), "This_is_the_address_content" ) }) };
dd \%hash_address;

__END__

{
  "Sample Street 12345678 Randomcity" => "This_is_the_address_content",
}