I was thinking about ISO-3166 part, but it seems standard contains already some names with special character. i.e, Réunion. https://en.m.wikipedia.org/wiki/Lis

I was thinking about ISO-3166 part, but it seems standard contains already some names with special character. i.e, Réunion. https://en.m.wikipedia.org/wiki/List_of_ISO_3166_country_codes https://en.m.wikipedia.org/wiki/List_of_ISO_3166_country_cod...