ASCII Reference Manual

HTML and XHTML use standard 7-bit ASCII code to transmit data over the network.

The 7-bit ASCII Code provides 128 different character values.

7-bit printable ASCII code

Result	Description	Entity ID
	Space	& #32;
!	Exclamation mark	& Amp; #33;
"	Quotation mark	& Amp; #34;
#	Number sign	& Amp; #35;
$	Dollar sign	& Amp; #36;
%	Percent sign	& Amp; #37;
&	Ampersand	& #38;
'	Apostrophe	& Amp; #39;
(	Left parenthesis	& Amp; #40;
)	Right parenthesis	& Amp; #41;
*	Asterisk	& #42;
+	Plus sign	& Amp; #43;
,	Comma	& Amp; #44;
-	Hyphen	& Amp; #45;
.	Period	& Amp; #46;
/	Slash	& #47;
0	Digit 0	& #48;
1	Digit 1	& #49;
2	Digit 2	& #50;
3	Digit 3	& Amp; #51;
4	Digit 4	& #52;
5	Digit 5	& Amp; #53;
6	Digit 6	& Amp; #54;
7	Digit 7	& #55;
8	Digit 8	& Amp; #56;
9	Digit 9	& #57;
:	Colon	& Amp; #58;
;	Semicolon	& #59;
<	Less-	& #60;
=	Equals-	& #61;
>	Greater-	& #62;
?	Question mark	& Amp; #63;
@	At sign	& #64;
A	Uppercase	& #65;
B	Uppercase B	& #66;
C	Uppercase C	& #67;
D	Uppercase D	& Amp; #68;
E	Uppercase E	& #69;
F	Uppercase F	& Amp; #70;
G	Uppercase G	& Amp; #71;
H	Uppercase H	& #72;
I	Uppercase I	& #73;
J	Uppercase J	& #74;
K	Uppercase K	& Amp; #75;
L	Uppercase L	& Amp; #76;
M	Uppercase M	& #77;
N	Uppercase N	& #78;
O	Uppercase O	& #79;
P	Uppercase P	& #80;
Q	Uppercase Q	& #81;
R	Uppercase R	& #82;
S	Uppercase S	& #83;
T	Uppercase T	& #84;
U	Uppercase U	& #85;
V	Uppercase V	& #86;
W	Uppercase W	& #87;
X	Uppercase X	& #88;
Y	Uppercase Y	& #89;
Z	Uppercase Z	& #90;
[	Left square bracket	& #91;
\	Backslash	& #92;
]	Right square bracket	& #93;
^	Caret	& #94;
_	Underscore	& #95;
`	Grave accent	& #96;
A	Lowercase	& #97;
B	Lowercase B	& #98;
C	Lowercase c	& #99;
D	Lowercase d	& #100;
E	Lowercase e	& #101;
F	Lowercase f	& #102;
G	Lowercase g	& #103;
H	Lowercase h	& #104;
I	Lowercase I	& #105;
J	Lowercase J	& #106;
K	Lowercase K	& #107;
L	Lowercase L	& #108;
M	Lowercase m	& #109;
N	Lowercase n	& #110;
O	Lowercase o	& #111;
P	Lowercase P	& #112;
Q	Lowercase Q	& #113;
R	Lowercase R	& #114;
S	Lowercase s	& #115;
T	Lowercase t	& #116;
U	Lowercase u	& #117;
V	Lowercase v	& #118;
W	Lowercase w	& #119;
X	Lowercase x	& #120;
Y	Lowercase y	& #121;
Z	Lowercase z	& #122;
{	Left curly brace	& #123;
|	Vertical bar	& #124;
}	Right curly brace	& #125;
~	Tilde	& #126;

7-bit Device Control ASCII code

The ASCII Device Control Code was initially designed to control hardware devices such as printers and tape drives. The code in the HTML document does not play any role.

Result	Description	Entity ID
NUL	Null character	& #00;
SOH	Start of header	& #01;
STX	Start of text	& #02;
ETX	End of text	& #03;
EOT	End of transmission	& #04;
ENQ	Enquiry	& #05;
ACK	Acknowledge	& #06;
BEL	Bell (ring)	& #07;
BS	Backspace	& #08;
HT	Horizontal tab	& #09;
LF	Line feed	& #10;
VT	Vertical tab	& #11;
FF	Form feed	& #12;
CR	Carriage return	& Amp; #13;
SO	Shift out	& #14;
SI	Shift in	& #15;
DLE	Data link escape	& #16;
DC1	Device control 1	& #17;
DC2	Device control 2	& Amp; #18;
DC3	Device control 3	& Amp; #19;
DC4	Device control 4	& #20;
NAK	Negative acknowledge	& #21;
SYN	Synchronize	& #22;
ETB	End transmission block	& Amp; #23;
CAN	Cancel	& #24;
EM	End of medium	& #25;
SUB	Substitute	& Amp; #26;
ESC	Escape	& Amp; #27;
FS	File Separator	& #28;
GS	Group Separator	& Amp; #29;
RS	Record Separator	& #30;
Us	Unit Separator	& Amp; #31;
Del	Delete (rubout)	& #127;

Http://www.w3school.com.cn/tags/html_ref_ascii.asp