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 ...

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 ...

You can do a lot more with regular expressions than you think. In this tutorial, you'll use it to convert a movie list into a CSV file for use in Excel. In Part 1 and Part 2 in this series about ...

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 ...

Not a guide to negotiating the back-to-school barbecue, but a handy guide to manipulating text. Ramsay answers key questions like: Why should I care? How can I improve my regex skills? Do I need ...

I have to admit that I've never really understood regular expressions. But if there was any reason that I was going to learn to use them, it would be when doing searches in Visual Studio. For one ...

Regular expressions are a powerful computing tool, with near-mythical status in some programming circles (here is one of my favorite online comic series’ take on ...

In programming, a set of symbols used to search for occurrences of text or to search and replace text. The simplest regular expressions are DOS/Windows wildcards; for example, *.html refers to all ...

We aren’t sure how we feel about [pemistahl’s] grex program. On the one hand, we applaud a program that can take some input samples and produce a regular expression. On the other hand, it might be ...