On the one hand, we applaud a program that can take some input samples and produce a regular expression. On the other hand, it might be just as hard to gather example data that produces the ...

If you’ve ever done any serious programming you’ll have run into something called regular expressions: … (abbreviated regex or regexp and sometimes called a rational expression) is a ...

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 ...

Advanced Python 3 Programming Techniques Python’ s Regular Expression Language The Regular Expression Module A regular expression is a compact notation for representing a collection of strings. What ...

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 ...

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: ...