String split

If you have a string that references a URL or directory path, you can split it into a list of strings. Using String.split/2 takes in two arguments. Pass in the string and the “/“ slash as arguments.

iex> demo = "/videos/play/elixir_event/230/"
iex> String.split(demo, "/")
# ["", "videos", "play", "elixir_event", "230", ""]

Consisted path

If the path your testing will contain a consisted path, you can use pattern matching to get the items in that list.

In this example I’m only interested in elixir_event and 230.

iex> demo = "/videos/play/elixir_event/230/"

iex> [_,_,_,edition,episode,_] = String.split(demo, "/")
# ["", "videos", "play", "elixir_event", "230", ""]

iex> edition
# "elixir_event"

iex> episode
# "230"