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: ...

Not surprisingly, genetic programming has been used to “evolve” complex regular expressions from data and the Web site Regex Generator++ demonstrates the technique.

Here's the easy way to remember if you're using globbing (which is very simple) vs. regular expressions: globbing is done to filenames by the shell, and regex is used for searching text. The only ...

The problem is: regular expressions can be hard and that will only grow as more complex regular expressions are needed for various things that you need to accomplish. There is also a reason why using ...

As this article states, I want to show some of the regular expressions that I use during my day-to-day activities. But this isn't just about me and what I use them for. I would love to see what you in ...

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 ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

We can get the scores with simple regular expression matching. When we hit a line with a score key, we use a "print $2" expression so that it will output only the second column—which happens to ...

When you visit the Shell gas station at Via Princessa and Sierra Highway in Canyon Country, you'll notice the majority of the pumps are out of service. 24/7 Live Los Angeles Orange County Inland ...