 | Level: Intermediate Nathan A. Good (mail@nathanagood.com), Author and Software Engineer, Alliance of Computer Professionals
10 Jan 2006 Regular expressions can provide a powerful way to work with text. Using regular expressions, you can do complex validation of user input, parse user input and file contents, and reformat strings. PHP provides simple methods that let you use POSIX and PCRE regular expressions. This article discusses the differences between POSIX and PCRE, and how you can use regular expressions and PHP V5.
Objectives
This tutorial will get you up and running with PHP's regular expressions by focussing on simple methods that let you use POSIX and PCRE regular expressions. We will discuss the differences between POSIX and PCRE, and how you can use regular expressions and PHP V5. You'll learn how, when, and why to use regular expressions.
Prerequisites
System requirements
You'll be able to complete this tutorial on any Microsoft Windows or UNIX-like system (including Mac OS X and Linux) that has PHP installed. Because we're covering what's built into PHP, you won't need anything more than PHP installed on your system.
Duration
Under two hours
Formats html, pdf
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