![]() * (asterisk), & (ampersand), (braces), (comma), (brackets), – (hyphen), = (equal sign). The table below is a good reference of the alphanumeric character set: AlphabetĪ, a, B, b, C, c, D, d, E, e, F, f, G, g, H, h, I, i, J, j, K, k, L, l, M, m, N, n, O, o, P, p, Q, q, R, r, S, s, T, t, U, u, V, v, W, w, X, x, Y, y, Z, zĠ, 1, 2, 3, 4, 5, 6, 7, 8, (“at” sign), $ (dollar sign), # (pound sign) There are scenarios where you need to enter or recognize alphanumeric characters. In special cases, like when creating a password, some non-alphanumeric characters are considered alphanumeric, making them special characters in the set. Examples of non-alphanumeric numbers include &, $, -, %, *, and empty space. ![]() These characters are contrasted to non-alphanumeric ones, which are anything other than letters and numbers. An alphanumeric example are the characters a, H, 0, 5 and k. Alphanumeric characters are the numbers 0-9 and letters A-Z (both uppercase and lowercase). Let’s kick off this guide with what alphanumeric characters mean. American Standard-Code for Information Interchange (ASCII) ![]() How Alphanumeric Characters Are Useful in Real Life.
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