Alphanumeric characters: Alphanumeric is a combination of alphabetic

Alphanumeric is a combination of alphabetic and numeric characters , which may include letters, numbers, and special characters like hyphens and underscores. It is widely used in generating various identification codes, passwords, and usernames for increased security and uniqueness. Learn what alphanumeric characters are and how they are used in passwords, programming, file names and data representation. Find out why they are valuable and see some examples of alphanumeric character combinations. Alphanumeric characters or alphanumerics refers to characters belonging to the English alphabet and Arabic numerals . It includes both lower and uppercase characters. Learn what alphanumeric characters are and how they are used in passwords, filenames, and machine languages. See examples of alphanumeric strings and tips for creating strong passwords.