Install ruby-re2 by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-re2
Description:
Ruby bindings to re2
Ruby bindings to re2, "an efficient, principled regular expression library". . RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python.
Homepage: http://github.com/mudge/re2
Version: 1.1.1-2build1
Section: universe/ruby