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 Of course, there’re some other function sets like ereg and mb_ereg but they are quite outdated and in this article we’ll focus on preg functions only.

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Regex in Perl

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… more…

Helium Scraper Review

Helium Data ExtractorHelium Scraper is a visual data extracting tool standing in line with other web scraping software. This data extractor uses a search algorithm for scraping which associates the elements to be extracted by their HTML properties. This differs from the general extraction methods for web scrapers. This feature works well in cases in which the association between elements is small. For example, if you want to scrape the search engine results it’s not easy to get the needed info from them using only XPath or Regexes. This scraper facilitates extraction and manipulation of more complex information with the aid of JavaScript and SQL scripts. It’s exceptionally good for visual inner join multi-level data structures.
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Regular expressions (Regex)

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. more…

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