Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...

Some say a set of regular expressions comprises a domain-specific language, or DSL; essentially, a mini-programming language. A full-blown programming language like Java or Python can do many things, ...

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 ...

When I’m writing in Editorial, I often need to make sure I’m dealing with a valid URL in the system clipboard, the document editor, or in a variable. To do so, I’ve long employed John Gruber’s liberal ...

You know the maxim, “Give a man to fish and he eats for a day; teach a man to fish and he eats for a lifetime”? A similar adage applies to anyone who spends a lot of time working with text on their ...

If you’ve ever done any serious programming you’ll have run into something called regular expressions: … (abbreviated regex or regexp and sometimes called a rational expression) is a sequence of ...

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 ...