#!perl
use strict;
use HTML::TreeBuilder;

my $body = HTML::TreeBuilder->new_from_file(\*DATA);
my @subsub = $body->look_down (_tag => "span");

foreach my $sss (@subsub) {
   my $c = $sss->attr("class");
   if ($c =~ /name color/){ 

     # ignore sub elements
     for ( $sss->descendants() ){
       $_->detach();
     };
     
     my $name = $sss->as_trimmed_text();
     print $name."\n";
   }
}

__DATA__
<span class="name color1">ImportantText1</span>
<span class="name color2"><span class="level">1000</span>ImportantText
+2</span>
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