AlphaNumeric Character

Alphanumericals or alphanumeric characters are any collection of number characters and letters in a certain language.

There are either 36 ( A–Z and 0–9, case insensitive ) or 62 ( A–Z, a–z and 0–9, case-sensitive ) alphanumeric characters.

ASCII Code for AlphaNumeric Character from 48 to 57 ( 0–9 or Zero to Nine ), 65 to 90 ( A–Z ) and 97 to 122 ( a-z ).

Non AlphaNumeric Characters

Symbols : @ (“at” sign/mention symbol), $ (dollar sign/string notation), # (pound sign/hash mark/hash tag/crosshatch character)

Special characters :

• ' (single quotation mark)
• ! (exclamation mark)
• & (ampersand)
• () (parenthesis/round bracket)
• * (asterisk/star)
• , (comma)
• . (period/dot)
• / (slash)
• ; (semicolon)
• ? (question mark)
• [ ] (brackets/square bracket)
• ^ (caret sign)
• _ (underscore)
• { } (braces/curly bracket) 
• ‘ (apostrophe)
• + (plus sign)
• – (hyphen/straight line)
• = (equal sign)
• <> (angle brackets/angular braces)
• ` (backtick character)
• ~ (tilde character)

An alphanumeric order or alphanumeric sort is a method of sorting data, often in the following order (based on ASCII (American Standard Code for Information Interchange) chart): punctuation mark, numbers, capital letters, lowercase letters, and symbols.

Bibliography

https://en.wikipedia.org/

https://theasciicode.com.ar/

https://www.commfront.com/

https://www.computerhope.com/