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 ...

When working with regular expressions in a shell script the norm is to use grep or sed or some other external command/program. Since version 3 of bash (released in 2004) there is another option: ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

Searching your file system can be tricky. For example, do you sometimes find it difficult to be specific or exact? Or perhaps it's too noisy? Regex can solve these issues and more. It's powerful, ...

Grepping is awesome, as long as you don't glob it up! This article covers some grep and regex basics. There are generally two types of coffee drinkers. The first type buys a can of pre-ground beans ...

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. Part of their bad reputation is ...