Working with regular expressions I’m also going to cover how to work with regular expressions in JavaScript, though the concepts learned here apply to other languages as well.

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.

Excellent tutorials for regular expressions are all over the Web, so I’m not going to include an overview here. Instead, I’ll present a few common recipes that I hope people will find useful ...

So far I’ve introduced the basics of regular expressions and the Pattern class. In Part 2, we’ll go much deeper into the Regex API, exploring methods associated with the Pattern, Matcher, and ...

The regex crate is nearly compatible with PCRE, so we can use it without much concern. However, by default, fd only matches against file names, so we must use the --full-path flag if we want to ...

Regular expressions aren't just for use in Excel. In fact, you can use REGEX to automate other tasks on your computer, like fixing copy-pasted PDF text, bulk-renaming downloaded files, formatting ...

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 ...

Regular expressions shouldn’t take hours to match, especially for applications that only have seconds to spare. In this article I’ve introduced some of the weak points of the java.util.regex ...

Regex commands basically help you find (and/or replace) non definite values. For example, let’s say you have a list of URLs and you need to break them down into just the TLD (Top Level Domain).

But grep isn’t the only program that uses regular expressions. Awk, sed, Perl, editors like VIM and emacs, and many other programs can use regular expressions for pattern matching.