🔠 Alphanumeric (39)

Alphanumeric symbols cover English letters, numbers, and related functional labels, including uppercase and lowercase input symbols, number input symbols, the generic symbol input button, and blood type indicators such as A, B, AB, etc. These emojis are often used to indicate input states, category tags, or medical blood type information, and are practical in information labeling and quick expression. Some symbols also include letter combination styles, suitable for emphasizing text types or quick categorization. The overall style is clean and intuitive, primarily functional, helping users quickly convey specific information categories in chats or notes.