Jerod Santo

Frak takes an entirely different approach to generating regular expressions

Hot on the heals of our Verbal Expressions coverage comes Frak by Joel Holdbrooks.

Frak also generates regular expressions for you, but it does it in a completely different way. With Frak, you don’t write an expression to match string patterns. Instead, you give it a set of strings and it generates an expression which matches them.

Frak is written in Clojure, so you install it by adding a dependency to your project.clj file:

[frak "0.1.2"]

To use it, simply require it, pass it a collection of strings, and it will return the resulting regular expression:

user> (require 'frak)
user> (frak/pattern ["foo" "bar" "baz" "quux"])
user> (frak/pattern ["Clojure" "Clojars" "ClojureScript"])

Check out the README to learn how it works, see some benchmarks, and get frak’in!

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