alphanumeric

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al·pha·nu·mer·ic / ˌalfən(y)oōˈmerik/ • adj. consisting of or using both letters and numerals: alphanumeric data an alphanumeric keyboard.• n. a character that is either a letter or a number.DERIVATIVES: al·pha·nu·mer·i·cal adj.

alphanumeric character

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alphanumeric character Any letter of the English alphabet, upper or lower case, or any of the decimal digits, 0 to 9.