The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

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, ...

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,” ...

Regular expressions come in handy for all varieties of text processing, but are often misunderstood--even by veteran developers. Here's a look at intermediate-level regular expressions and what they ...

Regular expressions are like power tools: They may look scary, but are easy to use once you understand their basic building blocks. Regular expressions -- those scary strings that might as well be ...

If you’ve programmed in Perl or any other language with built-in regular-expression capabilities, then you probably know how much easier regular expressions make text processing and pattern matching.

Like riding a bike, knowledge of regular expressions will stay with you forever, allowing you to manipulate text quickly and easily. In this part of the series, Ondrej focuses in on groups, ...

Creating Web pages can be an exciting experience; after all, the Web is on the cutting edge when it comes to publishing technology. But when you have to update dozens of lines of code manually to make ...

How do you find out if a user has entered a valid email address? Do you check for an at-sign, or is it more complicated? For many developers the answer is a regular expression, a little bit of code ...