RemixIconEx.System.search_2

You're seeing just the function search_2, go back to RemixIconEx.System module for more information.
Link to this function

search_2(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.search_2()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M11 2c4.968 0 9 4.032 9 9s-4.032 9-9 9-9-4.032-9-9 4.032-9 9-9zm0 16c3.867 0 7-3.133 7-7 0-3.868-3.133-7-7-7-3.868 0-7 3.132-7 7 0 3.867 3.132 7 7 7zm8.485.071l2.829 2.828-1.415 1.415-2.828-2.829 1.414-1.414z" />
</svg>

example usage

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