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What Are Non Alphanumeric Characters

What Are Non Alphanumeric Characters?

by Ragini Salampure

If you wish to make a secure password, you must know what are non alphanumeric characters. People often get confused with the alphanumeric and nonalphanumeric characters. These characters are completely different from alphanumeric characters. In my article, we will study non-alphanumeric characters and their examples. Here, I will also discuss the different categories of non-alphanumeric characters you must know. Without wasting one more minute, let’s check out what are non alphanumeric characters in detail.

What Are Non Alphanumeric Characters?

Generally, non-alphanumeric characters are characters or symbols that appear on a keyboard which includes punctuation and mathematical symbols. These characters are also known as non alpha characters. You can use non-alphanumeric characters in names as well as passwords. The non-alphanumeric characters are divided into the following four categories.

You can keep on reading to check out the examples of non-alphanumeric characters.

Non Alphanumeric Examples

Many among us do not know what are examples of non alphanumeric characters. Do not worry! Below I have listed down the list of non-alphanumeric characters examples for you.

  • General Punctuation

, (comma)

` (grave accent)

! (exclamation mark)

@ (at-sign)

* (asterisk)

_ (underscore)

– (hyphen)

: (colon)

; (semicolon)

? (question mark)

. (full-stop, period

‘ (apostrophe)

“ (double quote mark)

  • Brackets

( (open parenthesis)

) (close parenthesis)

{ (open brace)

} (close brace)

[ (open bracket)

] (close bracket)

< (less than)

> (greater than)

  • Mathematical Symbols

%(percent)

+(plus sign)

=(equals)

. (decimal point)

  • Miscellaneous Characters

~ (tilde)

^ (carat)

| (pipe)

/ (forward slash)

\ (backslash)

$ (dollar sign)

& (ampersand)

# (hash mark)

Non Alphanumeric Password

Whenever you create a new password, you are asked to enter one non-alphanumeric character. Do you know what are non alphanumeric characters in passwords? Non-alphanumeric passwords are a combination of punctuation and symbols. In some cases, your password must contain a non-alphanumeric character for heightened security. But you can also select one or more non-alphanumeric characters for your passwords.

You must be wondering which non-alphanumeric characters are valid for passwords. Below I have listed down the list of non-alphanumeric characters you can use for generating a password.

, (comma)

` (grave accent)

! (exclamation mark)

@ (at-sign)

* (asterisk)

_(underscore)

– (hyphen)

: (colon)

; (semicolon)

? (question mark)

. (full-stop, period

‘ (apostrophe)

“ (double quote mark)

, (comma)

` (grave accent)

! (exclamation mark)

@ (at-sign)

* (asterisk)

_(underscore)

-(hyphen)

: (colon)

; (semicolon)

? (question mark)

. (full-stop, period

‘ (apostrophe)

“ (double quote mark)

% (percent)

+ (plus sign)

= (equals)

. (decimal point)

~ (tilde)

^ (carat)

| (pipe)

/ (forward slash)

\ (backslash)

$ (dollar sign)

& (ampersand)

# (hash mark)

FAQ

What Does Non-Alphanumeric Characters Mean?

Characters that are not letters or numbers, such as an asterisk (*) are considered as non-alphanumeric characters.

What Is An Example Of Alphanumeric Characters?

The example of alphanumeric characters is 1, 2, q, f, m, p, 10, *, &, and @. 

What Is An Example Of An Alphanumeric Password?

A computer keyboard is the best example of an alphanumeric password. It includes all the alphabetical characters from A to Z and numeric characters from 1 to 9.

What Is Considered Alphanumeric?

Alphanumeric characters are also known as alphameric characters. These characters represent the numbers from 0-9, letters from A – Z, and symbols such as @, #, *, and &.

Conclusion

In my above article, we have discussed what are non alphanumeric characters called in detail. Any symbols on your keyboard which are not a part of alphabets or numbers can be considered as nonalphanumeric characters. They are also called non-alpha characters. Mostly nonalphanumeric characters include punctuation marks, such as commas, periods, colons, question marks, etc. Other non alphanumeric characters include a dollar sign, plus sign, equal, sign, slashes, percentage, etc. Users can also select at least one of the non-alphanumeric characters in names and passwords. Thus, I have covered all the necessary information about what are non alphanumeric characters you must know.

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