You are right.Many thanks.

1.Random tests added.
2.Of course. Comments about reg-exp usage added into the description and as well as test decilining solutions with re-find/re-matches/re-matcher.

1. No random tests
2. The kata can be trivially solved with the standard library functions.

Hi.
Test for clojure has incorrect ns defenition.
(:require [clojure.test :refer :all]
[math-evaluator :refer :all] -- correct ns
[math-parser :as sol] ---- ns math-parser is not used
))