alphanumeric

/ˌæl.fə.n(j)uːˈmɛ.ɹɪk/

æl · fə · N(J)UːMƐ · ɹɪk (4 syllables)

English Adj

Definition

Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.

From alpha- + numeric.

"Therefore, we need a special code to represent all alphanumeric data (letters, symbols, and numbers)."