U+1F1E7 "🇧" Regional Indicator Symbol Letter B Unicode Character

U+1F1E7 "🇧" Regional Indicator Symbol Letter B is a single alphabetic symbol that represents the letter B within the Unicode system of regional indicator symbols, which are designed specifically for combining into country flag emojis. This character is not meant to be used alone but instead pairs with another regional indicator letter to form a two-letter country code, such as when combined with U+1F1E9 ("🇩"), it creates the flag for Brazil. It is encoded in the Enclosed Alphanumeric Supplement block and is classified as a modifier letter that, when rendered on supported platforms, appears as a stylized letter B inside a rectangular box to indicate its function within flag sequences.