Perhaps the most obvious program that uses regular expressions — or regexps, for short — is grep. This is a simple program that takes a regexp and one or more file names (unless you want to ...

Whether you're thinking 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 make sense. Since ...

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 ...

It’s fast, it’s powerful, and its very name suggests that it does something technical: grep. With this workhorse of the command line, you can quickly find text hidden in your files ...

Regular expressions might seem arcane, but if you do any kind of software, they are a powerful hacker tool. Obviously, if you are writing software or using tools like grep, awk, sed, Perl ...

grep word story The wording suggests there ... It was several days before it was The -E option allows “extended regular expressions” to provide this function. Another option is to list each ...

Since version 3 (circa 2004), bash has a built-in regular expression comparison operator, represented by =~. A lot of scripting tricks that use grep or sed can now be handled by bash expressions ...

Windows only: Windows Grep searches user-defined files and folders for text or regular expressions, offering quick and powerful results of all of the matches within your defined search locations.

This update focuses on the pattern-match searching that has long been BBEdit’s core competency, adding a Pattern Playground for interactively experimenting with regular expressions and a Grep Cheat ...

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: ...