exrex

exrex is a command line tool used for generating regular expressions based on user-defined input patterns. The name exrex is derived from "expression regular expressions". It is written in Python and aims to simplify the process of creating regular expressions by automating their generation.

With exrex, users can define a desired input pattern using a simple format and the tool will generate a regular expression to match that pattern. It saves users from the complex task of manually writing regular expressions by providing an intuitive and straightforward way to express patterns.

As a command line tool, exrex can be run from the terminal, making it easily accessible and usable in various scripting and automation workflows. It supports a wide range of regular expression features, including character classes, quantifiers, anchors, and more.

Overall, exrex is a handy tool for anyone who needs to work with regular expressions but wants to avoid the complexity of writing them manually. It makes the process of generating regular expressions more efficient and convenient.