code = code
                //replace attributes
                .replace(/\s+([a-zA-Z\-]{0,15})\=\"([-a-z0-9_ \/\.\#\:\=\;]{0,49})\"/gi,' <span class="atn">$1</span>=<span class="atv">"$2"</span>')
                //replace open tags
                .replace(/(&lt;)(\w{0,15})(\s+|&gt;|>)/gi,'$1<span class="tag">$2</span>$3')