That is, the symbol character and punctuation character together are treated the same way as the punctuation character alone. When a punctuation character is next to a symbol character, the symbol character is ignored. But, unlike punctuation marks, they don’t keep the order of words when searching for more than one word. White space is also used for characters that aren’t letters or numbers, like symbols. How non-alphanumeric characters that aren’t search characters are handled depends on whether they are symbols or punctuation marks. Because the letter S looks like the number 5, and the letter Z looks like the number 2, they are not used in other situations. Automakers also leave out the letters O and Q so that people don’t mix them up with the number 0. For example, airlines and car companies don’t use the lowercase letter I so that it doesn’t get mixed up with the number 1. Some alphanumeric sets used for coding leave out letters that are easy to mix up with numbers. Whether or not case sensitivity is used depends on how it is being used. You can write the letters of the alphabet in lowercase or uppercase. Some examples of alphanumeric characters are &AF54hh, jjHF47, and These characters are made up of special symbols, numbers, and letters. Alphanumeric characters also include characters like *, &, and can also use more than one of these characters together. So, 1, 2, q, f, m, p, and 10 are all examples of letters and numbers. Alphabetic characters:Īlphanumeric characters are made up of the 26 letters of the alphabet (A through Z) and the digits 0 through 9. Alphanumeric, which is also called “alphameric,” is just a term for the Latin and Arabic characters that stand for the numbers 0 through 9, the letters A through Z (both uppercase and lowercase), and some common symbols like #, *, and &. It can also mean other symbols, like punctuation and math symbols. Merriam-Webster says that the word “alphanumeric” is often used to mean more than just letters and numbers. It is used to describe a group of Latin letters and Arabic digits or a text made from this group. Alphanumeric is a combination of alphabetical and numerical characters.

Alpha numeric characters examples