These articles are focused on learning how to do something — usually to learn a technology, or how to implement a project.

Regex Basics: The Syntax

Regular Expressions can be complicated as the expression gets longer. However, the individual pieces are simple. There’s just a lot of them.  Below is a table of the more common characters available. All the available escape sequences are documented on php.net. Syntax Meaning Syntax Meaning  \d any decimal digit: 0-9  \D any character that is … Read more » Regex Basics: The Syntax

RegEx Basics: Numbers

Regular Expressions, or RegEx, are a must have skill. This tutorial will help you learn them, by analyzing a regex to validate if a number is between 0 and 255.

Upgrade Your PHP

Upgrading your PHP doesn’t have to be difficult. In fact, it can be done in 10 minutes. Probably less.

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