I've already demonstrated how regular expressions can be used with the grep command. But it's important to know that you can supercharge file management in Linux from the command line by employing ...

With Linux or Unix ... one of the most used command line tools which is why I use it as the example in this article. But grep isn’t the only program that uses regular expressions.

the different grep commands could be set up as aliases such as these: With the -E switch, grep uses extended regular expressions. This means that you can provide a string of expressions that you ...

Authors and commenters might chain 10 commands together with pipes and ... 1,800 words alone without ever really explaining how regular expressions work or the most common uses of sed itself.

For most things on the command line ... globs or regex, that makes sense. But if you type: grep "dogs*" filename.doc The first three lines will match, but if you're thinking in globs, that doesn't ...

Of course, to get the most out of any grep-like tool, you really need to know regular expressions. If you want a fun way to learn regular expressions, try a crossword puzzle.

You can specify patterns right down to the character. The most common Linux regular expression command is grep. You can search for basic patterns: This will match an "f," followed by any other ...

the grep command in Linux never ceases to amaze me through its power and versatility. There are multiple versions of grep; plain regular grep, egrep (extended grep) and fgrep (fixed grep).

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: ...