Strings in green and black should match each other in each line below.

locale=tr: Isiİ İsıI : ISİİ İSII

locale=tr_TR: Isiİ İsıI : ISİİ İSII

locale=tr-TR: Isiİ İsıI : ISİİ İSII

locale=tr@foo=bar: Isiİ İsıI : ISİİ İSII

locale=az: Isiİ İsıI : ISİİ İSII

locale=az_AZ: Isiİ İsıI : ISİİ İSII

locale=az-AZ: Isiİ İsıI : ISİİ İSII

locale=az@foo=bar: Isiİ İsıI : ISİİ İSII

locale=tr-US: Isiİ İsıI : ISİİ İSII

locale=TR: Isiİ İsıI : ISİİ İSII

locale=en: Isiİ İsıI : ISIİ İSII