Let's say we need a JavaScript function that will take a string of tagged text (that is, it contains Extensible Markup Language (XML) markup) and return only the tags (and not the text that the tags ...

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 ...

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 ...

Bash has quietly made scripting on Unix systems a lot easier with its own regular expressions. If you're still leaning on grep and sed commands to get your scripts to do what you need from them, maybe ...

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 ...

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 ...