What is alphanumeric meaning?

Alphanumeric refers to a combination of alphabetical and numerical characters. It includes all 26 letters of the alphabet and all 10 numerals (0-9). Examples of alphanumeric characters are: A1, B2, C3, D4, E5, etc.

Alphanumeric characters are commonly used in computer programming, internet domain names, and password creation. They are also used in product codes, vehicle identification numbers, and many other identifiers.

In addition, alphanumeric characters are often used in captcha codes, which are used to verify that a user is human and not a robot.

The term "alphanumeric" comes from the combination of the words "alphabetical" and "numerical."