alphanumeric

Etymology

alpha- + numeric

adj

1. Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
2. Consisting of these characters plus punctuation and other special characters.
   Therefore, we need a special code to represent all alphanumeric data (letters, symbols, and numbers). 2005, Bali, 2000 Solved Problems in Digital Electronics, Tata McGraw-Hill Education, page 36

noun

1. An alphanumeric character.
   Finally, alphanumerics are digits, uppercase letters, lowercase letters, or accented letters […] 2014, Pierre M. Nugues, Language Processing with Perl and Prolog: Theories, Implementation, and Application, Springer, page 268