rosie is an open source query language created in 2015.
git clone https://gitlab.com/rosie-pattern-language/rosie
|#2361on PLDB||8Years Old|
RPL is a variant of modern Regular Expressions (regex) that is designed to scale to big data, many developers, and large collections of patterns. If you use regex, you already know a lot of RPL.
rosie --rpl 'd = [:digit:]' -o json match d