RemixIconEx.System.arrow_right_up

You're seeing just the function arrow_right_up, go back to RemixIconEx.System module for more information.
Link to this function

arrow_right_up(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.arrow_right_up()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M16.004 9.414l-8.607 8.607-1.414-1.414L14.589 8H7.004V6h11v11h-2V9.414z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}