my $tree = HTML::TreeBuilder->new_from_content( $m->content ) ;

for ($tree->look_down( _tag => 'td', class => 'obsTempText' ) )
{
    my $bla =  $_->as_trimmed_text ;
    $bla =~ s/ //g ;
    print $bla ;
}

##</code><code>##

my $NBSP = HTML::Entities::decode_entities('&nbsp;');

##</code><code>##

$bla =~ s/$NBSP//g ;