grex

Command-line tool and library that automatically generates a regular expression from user-provided test cases.

Desktopfreeglobal

A command-line utility and library that generates a regular expression automatically from user-provided example strings, with a Rust implementation and Python bindings. It helps reduce the trial-and-error of handcrafting patterns and is aimed at developers and QA engineers who need validation or test regexes from real data; the project is open-source under the Apache-2.0 license and can be run locally.

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