HTML patterns

• comments matches comments
• href matches and captures tags with references, i.e. <sometag...href='(...)'
• img matches <img> tags with content
• link matches <link> tags with content
• meta matches <meta> tags with content
• pre matches preformatted text, i.e. <pre>...</pre>
• script matches inline and external Javascripts, i.e. <script>...</script>
• src matches and captures tags with sources, i.e. <sometag...src='(...)'
• style matches inline CSS, i.e. <style>...</style>
• zap_comments removes comments from matches