Unicode: ASCII Character Symbols ␀ ␤ ␠ ␣ ¶ ↩ �

By Xah Lee. Date: 2010-09-03. Last updated: 2015-10-14.

Unicode has symbols to represent ASCII unprintable characters.

␀ ␁ ␂ ␃ ␄ ␅ ␆ ␇ ␈ ␉ ␊ ␋ ␌ ␍ ␎ ␏ ␐ ␑ ␒ ␓ ␔ ␕ ␖ ␗ ␘ ␙ ␚ ␛ ␜ ␝ ␞ ␟ ␡

ASCII Table of Unprintable Chars
Decimal	Hex	Abbr	Unicode Symbol	Caret Notation	C Escape Syntax	Description
0	00	NUL	␀	^@	\0	Null character
1	01	SOH	␁	^A		Start of Header
2	02	STX	␂	^B		Start of Text
3	03	ETX	␃	^C		End of Text
4	04	EOT	␄	^D		End of Transmission
5	05	ENQ	␅	^E		Enquiry
6	06	ACK	␆	^F		Acknowledgment
7	07	BEL	␇	^G	\a	Bell
8	08	BS	␈	^H	\b	Backspace
9	09	HT	␉	^I	\t	Horizontal Tab
10	0A	LF	␊	^J	\n	Line feed
11	0B	VT	␋	^K	\v	Vertical Tab
12	0C	FF	␌	^L	\f	Form feed
13	0D	CR	␍	^M	\r	Carriage return
14	0E	SO	␎	^N		Shift Out
15	0F	SI	␏	^O		Shift In
16	10	DLE	␐	^P		Data Link Escape
17	11	DC1	␑	^Q		Device Control 1 (oft. XON)
18	12	DC2	␒	^R		Device Control 2
19	13	DC3	␓	^S		Device Control 3 (oft. XOFF)
20	14	DC4	␔	^T		Device Control 4
21	15	NAK	␕	^U		Negative Acknowledgment
22	16	SYN	␖	^V		Synchronous Idle
23	17	ETB	␗	^W		End of Trans. Block
24	18	CAN	␘	^X		Cancel
25	19	EM	␙	^Y		End of Medium
26	1A	SUB	␚	^Z		Substitute
27	1B	ESC	␛	^[	\e	Escape
28	1C	FS	␜	^\		File Separator
29	1D	GS	␝	^]		Group Separator
30	1E	RS	␞	^^		Record Separator
31	1F	US	␟	^_		Unit Separator
127	7F	DEL	␡	^?		Delete
Decimal	Hex	Abbr	Unicode Symbol	Caret Notation	C Escape Code	Description

Caret notation is heavily used in emacs. Emacs: Newline Representations ^M ^J ^L.

Non-printable ASCII is heavily used in unix terminal. See: Linux: Terminal Control Sequence Keys (tty, stty) ⌨

Complete ASCII Table

Here are other character representation symbols. They are often used in text editor or word processor to indicate whitespace.

Tab ↹ ⇄ ⇤ ⇥ ↤ ↦ ◁ ▷

space · ␣ ˽ ␠ ␢

paragraph, section, newline. ¶ § ␤ ↵ ↩ ⏎

REPLACEMENT CHARACTER �

OBJECT REPLACEMENT CHARACTER

ƒ ␥ ␦

Misc icons ⌗

Misc ⌜ ⌝ ⌞ ⌟ ⎔ ⎖ ⎁ ⎂ ⎃ ⎄ ⎅

checkmarks ✓ ✔ ✗ ✘ ☐ ☑ ☒ 𐄂 ⍻ ❍ ❏ ❐ ❑ ❒

⑀ ⑁ ⑂ ⑃ ⑄ ⑅ ⑆ ⑇ ⑈ ⑉ ⑊

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