alphanumeric

/ˌæl.fə.nuːˈmɛr.ɪk/
adjective
  1. Containing or using both letters and numbers.
    • The license plate uses an alphanumeric code like 'ABC123'.
    • Many usernames are alphanumeric and cannot have special characters.
    • Your password must be alphanumeric, so include at least one number.
What does "alphanumeric" mean? | whatsthatwordmean | whatsthatwordmean