The ASCII Character Set
ASCII stands for the "American Standard Code for Information Interchange". It was designed in the early 60's, as a standard character-set for computers and hardware devices like teleprinters and tapedrives.
ASCII is a 7-bit character set containing 128 characters.
It contains the numbers from 0-9, the uppercase and lowercase English letters from A to Z, and some special characters.
The character-sets used in modern computers, HTML, and Internet are all based on ASCII.
The following table lists the 128 ASCII characters and their equivalent HTML entity codes.
ASCII Printable Characters
|
ASCII Character |
HTML Entity Code |
Description |
|
|
  |
space |
|
! |
! |
exclamation mark |
|
" |
" |
quotation mark |
|
# |
# |
number sign |
|
$ |
$ |
dollar sign |
|
% |
% |
percent sign |
|
& |
& |
ampersand |
|
' |
' |
apostrophe |
|
( |
( |
left parenthesis |
|
) |
) |
right parenthesis |
|
* |
* |
asterisk |
|
+ |
+ |
plus sign |
|
, |
, |
comma |
|
- |
- |
hyphen |
|
. |
. |
period |
|
/ |
/ |
slash |
|
0 |
0 |
digit 0 |
|
1 |
1 |
digit 1 |
|
2 |
2 |
digit 2 |
|
3 |
3 |
digit 3 |
|
4 |
4 |
digit 4 |
|
5 |
5 |
digit 5 |
|
6 |
6 |
digit 6 |
|
7 |
7 |
digit 7 |
|
8 |
8 |
digit 8 |
|
9 |
9 |
digit 9 |
|
: |
: |
colon |
|
; |
; |
semicolon |
|
< |
< |
less-than |
|
= |
= |
equals-to |
|
> |
> |
greater-than |
|
? |
? |
question mark |
|
@ |
@ |
at sign |
|
A |
A |
uppercase A |
|
B |
B |
uppercase B |
|
C |
C |
uppercase C |
|
D |
D |
uppercase D |
|
E |
E |
uppercase E |
|
F |
F |
uppercase F |
|
G |
G |
uppercase G |
|
H |
H |
uppercase H |
|
I |
I |
uppercase I |
|
J |
J |
uppercase J |
|
K |
K |
uppercase K |
|
L |
L |
uppercase L |
|
M |
M |
uppercase M |
|
N |
N |
uppercase N |
|
O |
O |
uppercase O |
|
P |
P |
uppercase P |
|
Q |
Q |
uppercase Q |
|
R |
R |
uppercase R |
|
S |
S |
uppercase S |
|
T |
T |
uppercase T |
|
U |
U |
uppercase U |
|
V |
V |
uppercase V |
|
W |
W |
uppercase W |
|
X |
X |
uppercase X |
|
Y |
Y |
uppercase Y |
|
Z |
Z |
uppercase Z |
|
[ |
[ |
left square bracket |
|
\ |
\ |
backslash |
|
] |
] |
right square bracket |
|
^ |
^ |
caret |
|
_ |
_ |
underscore |
|
` |
` |
grave accent |
|
a |
a |
lowercase a |
|
b |
b |
lowercase b |
|
c |
c |
lowercase c |
|
d |
d |
lowercase d |
|
e |
e |
lowercase e |
|
f |
f |
lowercase f |
|
g |
g |
lowercase g |
|
h |
h |
lowercase h |
|
i |
i |
lowercase i |
|
j |
j |
lowercase j |
|
k |
k |
lowercase k |
|
l |
l |
lowercase l |
|
m |
m |
lowercase m |
|
n |
n |
lowercase n |
|
o |
o |
lowercase o |
|
p |
p |
lowercase p |
|
q |
q |
lowercase q |
|
r |
r |
lowercase r |
|
s |
s |
lowercase s |
|
t |
t |
lowercase t |
|
u |
u |
lowercase u |
|
v |
v |
lowercase v |
|
w |
w |
lowercase w |
|
x |
x |
lowercase x |
|
y |
y |
lowercase y |
|
z |
z |
lowercase z |
|
{ |
{ |
left curly brace |
|
| |
| |
vertical bar |
|
} |
} |
right curly brace |
|
~ |
~ |
tilde |
ASCII Device Control Characters
The ASCII device control characters were originally designed to control hardware devices.
Control characters have nothing to do inside an HTML document.
|
ASCII Character |
HTML Entity Code |
Description |
|
NUL |
� |
null character |
|
SOH |
 |
start of header |
|
STX |
 |
start of text |
|
ETX |
 |
end of text |
|
EOT |
 |
end of transmission |
|
ENQ |
 |
enquiry |
|
ACK |
 |
acknowledge |
|
BEL |
 |
bell (ring) |
|
BS |
 |
backspace |
|
HT |
	 |
horizontal tab |
|
LF |
|
line feed |
|
VT |
 |
vertical tab |
|
FF |
 |
form feed |
|
CR |
|
carriage return |
|
SO |
 |
shift out |
|
SI |
 |
shift in |
|
DLE |
 |
data link escape |
|
DC1 |
 |
device control 1 |
|
DC2 |
 |
device control 2 |
|
DC3 |
 |
device control 3 |
|
DC4 |
 |
device control 4 |
|
NAK |
 |
negative acknowledge |
|
SYN |
 |
synchronize |
|
ETB |
 |
end transmission block |
|
CAN |
 |
cancel |
|
EM |
 |
end of medium |
|
SUB |
 |
substitute |
|
ESC |
 |
escape |
|
FS |
 |
file separator |
|
GS |
 |
group separator |
|
RS |
 |
record separator |
|
US |
 |
unit separator |
|
|
|
|
|
DEL |
 |
delete (rubout) |
출처 : http://www.w3schools.com/tags/ref_ascii.asp
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