Characteristic: 1. Matching HTML text with keyword, suitable for searching all kinds of web pages. 2. Can do a very precised searching job with rules. 3. Especially suitable for gradully precised searching job with more and more rules. 4. Fast with multi-thread technology, easy to use with dynamic interface technology. Performance: 1. Can extract any information that you want. 2. Can generate URL with rules, especially suitable for earching interactive web site. 3. Can be extended to all kinds of situation with best text analyze rules. 4. Many useful result process function, such as Merge, Unique, filter, etc. 5. More abd more functions will be added.