Uppercase vs. Alphanumeric

Uppercase vs. Alphanumeric — Is There a Difference?
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Difference Between Uppercase and Alphanumeric

Uppercaseadjective

written in upper case; capital

Alphanumericadjective

Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.

Uppercaseverb

(transitive) To convert (text) to upper case.

Alphanumericadjective

Consisting of these characters plus punctuation and other special characters.

Uppercaseadjective

relating to capital letters which were kept in the top half of a compositor's type case;

uppercase letters; X and Y and Z etc

Alphanumericnoun

An alphanumeric character.

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Alphanumericadjective

of or pertaining to alphanumeric characters