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 ...

I'm slowly learning python and have hit a wall working with a regex. The perl test regex script matches as expected, while the python version doesn't. I'm running perl 5.10.0 and python 2.5.2 on ...

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: ...