improve String moduledoc discussion about splitting a string with a pattern (#8411)
improve String moduledoc discussion about splitting a string with a pattern (#8411)


elixir-lang/elixir,pedrosnk/elixir,joshprice/elixir,lexmag/elixir,lexmag/elixir,kelvinst/elixir,kimshrier/elixir,kelvinst/elixir,ggcampinho/elixir,kimshrier/elixir,michalmuskala/elixir,ggcampinho/elixir,pedrosnk/elixir