code: public String convertHTML(
          String filename,
          String inString,
          String startPattern,
          String endPattern,
          Hashtable properties) {
  
          m_tempString = new StringBuffer();
          m_write = true;
          m_filename = filename.replace('\\', '/');
          Reader in = new StringReader(inString);
          Writer out = new StringWriter();
          convertHTML(in, out, startPattern, endPattern, properties);
          return out.toString();
      }
docs: Transforms HTML code into user defined output.<p>
  
  @param filename the absolute path in the real filesystem of the file to convert
  @param inString String with HTML code
  @param startPattern the start pattern definition for content extracting
  @param endPattern the end pattern definition for content extracting
  @param properties the file properties
  @return String with transformed code