Regex is a powerful – yet overlooked – tool in search and data analysis. With just a single line, you can automate what would otherwise take dozens of lines of code. Short for “regular expression,” ...

This article explains what regex (or regular expressions) is and how to get started using it with web crawlers, plus some interesting real-world use cases. One technology skill that is too-often ...

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic ...

Regular expressions give Tim Patrick the creeps, but he overcame his fears by discovering specially crafted regex patterns can access data in a way that’s actually kind of cool. I've always been ...

Even though it has somewhat of a checkered reputation, being able to wield it will save you a ton of time. There's a saying that I've heard numerous times about regular expressions (regex). It goes ...

These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

Regular expressions are a big subject, and there are plenty of FAQs on them on the Web. As far as JavaScript is concerned, though, you need only set a variable equal to a specially formatted series of ...

In the Star Wars universe, not everyone uses a lightsaber, and those who do wield them had to build them themselves. There’s something to be said about that strategy. Building a car or a radio is a ...

From validating IP addresses to phone numbers, these are some of the handiest expressions in Boe's PowerShell toolbox. What are yours? As this article states, I want to show some of the regular ...