Search Results for "regular expression"

...ACHE differs from generic crawlers in sense that it uses page classifiers to distinguish between relevant and irrelevant pages in a given domain. A page classifier can be defined as a simple regular expression (e.g., that matches every page that contains a specific word) or a machine-learning-based classification model. ACHE also automatically learns how to prioritize links in order to efficiently locate relevant content while avoiding the retrieval of irrelevant pages. While ACHE was originally designed to perform focused crawls, it also supports other crawling tasks, including crawling all pages in a given web site and crawling Dark Web sites (using the TOR protocol).

...webStraktor features a scripting language to facilitate the collection, the extraction and the storage of information available on the web, including images. The scripting language uses elements of the Regular Expression and xPath syntax. The webStraktor scripting language has a small instruction set and its syntax is easy to master. The standard webStraktor output format is XML based, either in ASCII, UTF-8 or ISO-8859-1 (Latin1) code pages. webStraktor relies on the Apache HttpClient for retrieving content via the HTTP protocol. ...

Yet another web crawler? Yes, but this ones uses the full power of regular expressions to accept or reject, examine or ignore, save or refuse pages. You also use MIME types to do all this. Powerful and flexible.

Spider is web crawler written in the Java.Based on an Regular expression string the spider parses the internet for web pages matching this string and stores it in an MYSQL database.