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Alphanumericals

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Set of alphabetic and numeric characters

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Look upalphanumeric oralphanumerical in Wiktionary, the free dictionary.

Ablack-headed gull ringed with an alphanumeric plastic ring that makes it easier to read from a distance.

Alphanumeric characters oralphanumerics are characters belonging to theEnglish alphabet orArabic numerals. It includes both lower and uppercase characters. The complete list of alphanumeric characters inlexicographically ascending order is:0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.

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.