If you're interested in something similar for .NET / C#, check out my Regextra library, specifically the Passphrase Regex Builder: https://github.com/amageed/Re

If you're interested in something similar for .NET / C#, check out my Regextra library, specifically the Passphrase Regex Builder: https://github.com/amageed/Regextra https://github.com/amageed/Regextra As the name suggests though, the focus was on passphrase criteria and it wasn't to produce a DSL for general regex building. The library also supports named templates and a few utility methods.