Include endianness in the regex version (#7600)
Include endianness in the regex version (#7600)

This addresses issues with precompiled archives on different
endianness, such as: https://github.com/hexpm/hex/issues/469
kimshrier/elixir,kelvinst/elixir,elixir-lang/elixir,joshprice/elixir,kelvinst/elixir,lexmag/elixir,ggcampinho/elixir,pedrosnk/elixir,lexmag/elixir,michalmuskala/elixir,kimshrier/elixir,pedrosnk/elixir,ggcampinho/elixir