Eppie Vojt at the SEOmoz Meetup on the scrape leverage for the site SEO. Techniques: XPath and Regex in Google Docs to fetch links and more. The link to the sample Twitter Scraper developed by Eppie Vojt.
We’d like to introduce the new SCRAPER TEST DRIVE stage, called ‘Text list‘. This seemingly simple test case hides within itself a non-ordinary structure. This time the HTML DOM structure is so plain, making you scratch your head, wondering how to approach to it. Yet, those off-the-shelf products have shown their best features extracting even a smallest thing from seemingly plain content.
Often, we need to prove regexes with an online tool or test them on different Regex engines. Here is an overview of online regex testers to assist you in your selection. Also, there is regex tester comparison table available.
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 Of course, there’re some other function sets like ereg and mb_ereg but they are quite outdated and in this article we’ll focus on preg functions only.
In this post we summarized some basic features of regex in Perl. We presented basic operators using regex and special regex pattern modifiers. More details are the in following articles…
Regular expressions provide a concise and flexible means to “match” (specify and capture) strings of text, such as particular characters, words, or patterns of characters. Here we tried our best to present to you the most used Regexes with examples for your handy referencing.
Screen Scraper is a classical scraping tool for all kinds of data scraping, extracting and packing. However, it takes time to properly master it.