regex

  • Regex Tutorial

    The regex (regular expressions) are very useful for programmers. Using this device you can describe every string that presents to its inside a certain regularity. We don't want to talk about formal languages or formal grammars, we are going to bring you some examples that show how it works.

  • How to insert links without nofollow on Flickr?

    Inserting a link without nofollow on Flickr is quite easy, because there is a bug on the functions that add the 'rel="nofollow"' attribute on the external links.