Англо-русский словарь компьютерных терминов:
alphanumeric
алфавитно-цифровой, буквенно-цифровой, текстовый
набор символов, содержащий строчные и прописные буквы, цифры, знаки пунктуации и некоторые управляющие символы
Смотри также: ASCII,
EBCDIC,
Unicode
Merriam-Webster's Collegiate Dictionary:
alphanumeric
also alphanumerical
adjective
Etymology: alphabet
ic +
numeric, numerical
Date: 1950
1. consisting of both letters and numbers and often other symbols (as punctuation marks and mathematical symbols)
Example: an alphanumeric code;
also being a character in an alphanumeric system
2. capable of using or displaying alphanumeric characters
•
alphanumerically adverb
•
alphanumerics noun plural
Free On-line Dictionary of Computing:
alphanumeric
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.
(1997-09-11) 
