Alphanumericals

Set of alphabetic and numeric characters From Wikipedia, the free encyclopedia

Alphanumeric characters or alphanumerics are characters belonging to the English alphabet or Arabic numerals. It includes both lower and uppercase characters. The complete list of alphanumeric characters in lexicographically ascending order is: 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.

Look up alphanumeric or alphanumerical in Wiktionary, the free dictionary.
A black-headed gull ringed with an alphanumeric plastic ring that makes it easier to read from a distance.

Different alphanumeric characters have similar appearances, such as I (upper case i), l (lowercase L), and 1 (one), and O (uppercase o), Q (uppercase q) and 0 (zero).[1] Other similarities can include 5 and S, Z and 2.

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