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<A HREF="http://www.cnn.com/WEATHER/index.html">

if($url =~ /^<A\s+HREF\=\"http\:\/\/www.cnn.com/i)
    {
        print "skip this url.\n";
                next;
    }

if($url =~ /<A HREF\=\"http\:\/\/www\.cnn\.com\/WEATHER\/index\.html\"
+>/i)
    {
        print "Skip this url.\n";
                next;
    }

if($url =~ /<A HREF="http://www.cnn.com/WEATHER/index.html">/i)
    {
        print "skip this url.\n";
                next;
    }