Tag Archives: Regular Expression

The true power of regular expressions

Posted on 16 Jun 2012 by hakre

The true power of regular expressions is a very well written article by NikiC about PCRE (Perl Compatible Regular Expression) and formal language theory (the diverse types in the Chomsky hierarchy of languages). It’s really good to read and gives … Continue reading →

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PHP Syntax Regulary Expressed

Posted on 10 Nov 2010 by hakre

This is not the full PHP Syntax as Regex (which would not make much sense, use the tokenizer instead), but a collection of regular expressions for various elements of the PHP syntax I ran over lately.

Posted in PHP Development, Pressed | Tagged , , , , , , , , , , , , | 1 Comment

PHP: Curly Brackets Substring Access

Posted on 15 Jun 2010 by hakre

I just have another lighter PHP specific Code Smell: Curly Brackets Substring Access. If you’re coding PHP since a longer time you might not only know but also have used curly brackets for index-/char-based substring access.

Posted in Code Smells, Hacking The Core, PHP Code Smells | Tagged , , , , , , | 2 Comments

CSS Selector Code Smell

Posted on 19 Feb 2010 by hakre

3-2-1: Grab your QC environment and get ready for CSS today because it just does not makes sense to write a CSS Selector like these: Example 1: A bogus selector. Example 2: Can make sense The first example is pretty … Continue reading →

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Script and Style HTML/ XHTML Code Smells

Posted on 19 Jan 2010 by hakre

Remember the time? Grabbing the copy of the HTML 2 RFC, reading through within the afternoon and you started to understand where this all might lead to after some time.  Seeing 3.2, 4.1 and XHTML 1.0 passing this finally ended up … Continue reading →

Posted in Code Smells, Hacking The Core, Hakre's Tips, HTML/CSS Code Smells | Tagged , , , , , , , , , , | 2 Comments