ScraperWiki Review

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ScraperWiki is a unique, state-of-the-art scraping cloud service providing developers an extensive tool and meeting the users’ needs on demand. ScraperWiki, a free social tool, is a professionally designed playground for amateur custom scrapers to be launched, as well as for business use on request data with certain services charged. Other web scraping and web harvesting software and services are overviewed in here.

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About XPath

About XPathXPath is a formal language that is used to navigate through and query elements and attributes in XML documents. While this notation is being used in XSL and XQuery, it is very useful for DOM data access and extraction. XML documents and also HTML/XHTML documents are objects of DOM parsing while using XPath.

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Regex in PHP

If you want to use regular expressions in your PHP program the best way is to use so called preg-functions (they wrap Perl-Compatible Regular Expressions library so sometimes they are called PCRE functions). Of course, there’re some other function sets like ereg and mb_ereg but they are quite outdated and in this article we’ll focus on preg functions only.

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