alphameric
adjectiveUK /ˌæl.fəˈmer.ɪk/
US /ˌæl.fəˈmer.ɪk/
Using both letters and numbers together.
The password must be alphameric, so mix letters and numbers.
OTHER MEANINGS
2. Made up of letters and numerals in a computer or data system.
The alphameric field accepts both names and ID numbers.
3. Able to be written using only letters and numbers.
Keep the file name alphameric so it works on every device.
4. Describing a display or code that shows both letters and digits.
The old screen showed alphameric codes instead of pictures.