Meta-characters. There are special characters in regular expressions, some of them include: d matches any digit, equivalent to [0-9]; D matches any character that’s not a digit, equivalent to ...

The latest JavaScript specification standardizes a well-balanced and thoughtful set of features, including the built-in ...

Regular expressions -- those scary strings that might as well be written in Klingon to the average person -- can be a vast time-saver. They help in one of the most common tasks of programming: string ...

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 ...

Regular expressions might seem arcane, but if you do any kind of software, they are a powerful hacker tool. Obviously, if you are writing software or using tools like grep, awk, sed, Perl, or just … ...

Regular expressions also provide special characters to represent common character ranges. You could use “[0-9]” to match any numeric digit, or you can use “\d”. Similarly, “\D” matches any non-numeric ...

Regular expressions almost always allow for more concise code, but that does not always translate to “easier” or “more readable” code.

Regular expressions (regex) are one of the most powerful tools we have in our SEO arsenal, but they’re incredibly intimidating! Here are some tips and tricks from one SEO to another that I ...

Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy.

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 ...