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[Elixir] remove UTF-8's BOM
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| @doc """ | |
| remove UTF-8's BOM | |
| ### Example | |
| ``` | |
| iex> "\\uFEFFHello" |> MyProject.Util.remove_bom() | |
| "Hello" | |
| ``` | |
| """ | |
| @spec remove_bom(String.t()) :: String.t() | |
| def remove_bom(str) when is_binary(str), do: str |> String.replace_prefix("\uFEFF", "") |
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