Obviously, if you are writing software or using tools like grep, awk, sed, Perl, or just about any programming language, regular expressions can simplify many tasks. Even if you don’t need them ...

In programming, a set of symbols used to search for occurrences of text or to search and replace text. The simplest regular expressions are DOS/Windows wildcards; for example, *.html refers to all ...

Regular expressions give Tim Patrick the creeps, but he overcame his fears by discovering specially crafted regex patterns can access data in a way that’s actually kind of cool. I've always been ...

Regular expressions -- those scary strings that might as well be written in Klingon to the average person -- can be a vast time-saver. They help in one of the most common tasks of programming: string ...

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: ...

Regular expressions, or ‘regex’, are like an in-line programming language for text searches that allow you to include complex search strings, partial matches and wildcards, case-insensitive ...