1. [syn: alphanumeric, alphanumerical, alphameric, alphamerical]
WordNet (r) 3.0 (2006):
adj 1: of or pertaining to alphanumeric characters [syn:
alphanumeric, alphanumerical, alphameric,
The Free On-line Dictionary of Computing (30 December 2018):
A decimal digit or a letter (upper or lower case).
Typically, "letters" means only English letters (ASCII A-Z
plus a-z) but it may also include non-English letters in the
Roman alphabet, e.g., e-acute, c-cedilla, the thorn
letter, and so on. Perversely, it may also include the
underscore character in some contexts.