[team name] Name - 00 [quality][Multiple Subtitle] [US][BR][MX][ES][SA][FR][DE][IT][RU]]
is french https://github.com/Sonarr/Sonarr/blob/c7919f80de20e2240c38f733937edfb0b9592300/src/NzbDrone.Core/Parser/LanguageParser.cs#L22 (?<french>(?:\W|_)(?:FR|VF|VF2|VFF|VFQ|TRUEFRENCH)(?:\W|_))