If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how to do that form the basis of many recipes. For ...

Imagine you are looking for a name in a telephone directory, but you can't remember its exact spelling. You can spend ages searching through all the possible combinations, unless you have a tool that ...

All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...

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 ...

Have a quick question that I think the powers of Ars can solve. I have an existing linux log parsing script that is working fine but I want to add new functionality to it. Given the following 2 log ...

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 ...