The following chart contains all 128 ASCII decimal (dec), octal (oct), hexadecimal (hex) and character (ch) codes.
dec oct hex ch dec oct hex ch dec oct hex ch dec oct hex ch 0 0 00 NUL (null) 32 40 20 (space) 64 100 40 @ 96 140 60 ` 1 1 01 SOH (start of header) 33 41 21 ! 65 101 41 A 97 141 61 a 2 2 02 STX (start of text) 34 42 22 " 66 102 42 B 98 142 62 b 3 3 03 ETX (end of text) 35 43 23 # 67 103 43 C 99 143 63 c 4 4 04 EOT (end of transmission) 36 44 24 $ 68 104 44 D 100 144 64 d 5 5 05 ENQ (enquiry) 37 45 25 % 69 105 45 E 101 145 65 e 6 6 06 ACK (acknowledge) 38 46 26 & 70 106 46 F 102 146 66 f 7 7 07 BEL (bell) 39 47 27 ' 71 107 47 G 103 147 67 g 8 10 08 BS (backspace) 40 50 28 ( 72 110 48 H 104 150 68 h 9 11 09 HT (horizontal tab) 41 51 29 ) 73 111 49 I 105 151 69 i 10 12 0a LF (line feed - new line) 42 52 2a * 74 112 4a J 106 152 6a j 11 13 0b VT (vertical tab) 43 53 2b + 75 113 4b K 107 153 6b k 12 14 0c FF (form feed - new page) 44 54 2c , 76 114 4c L 108 154 6c l 13 15 0d CR (carriage return) 45 55 2d - 77 115 4d M 109 155 6d m 14 16 0e SO (shift out) 46 56 2e . 78 116 4e N 110 156 6e n 15 17 0f SI (shift in) 47 57 2f / 79 117 4f O 111 157 6f o 16 20 10 DLE (data link escape) 48 60 30 0 80 120 50 P 112 160 70 p 17 21 11 DC1 (device control 1) 49 61 31 1 81 121 51 Q 113 161 71 q 18 22 12 DC2 (device control 2) 50 62 32 2 82 122 52 R 114 162 72 r 19 23 13 DC3 (device control 3) 51 63 33 3 83 123 53 S 115 163 73 s 20 24 14 DC4 (device control 4) 52 64 34 4 84 124 54 T 116 164 74 t 21 25 15 NAK (negative acknowledge) 53 65 35 5 85 125 55 U 117 165 75 u 22 26 16 SYN (synchronous idle) 54 66 36 6 86 126 56 V 118 166 76 v 23 27 17 ETB (end of transmission block) 55 67 37 7 87 127 57 W 119 167 77 w 24 30 18 CAN (cancel) 56 70 38 8 88 130 58 X 120 170 78 x 25 31 19 EM (end of medium) 57 71 39 9 89 131 59 Y 121 171 79 y 26 32 1a SUB (substitute) 58 72 3a : 90 132 5a Z 122 172 7a z 27 33 1b ESC (escape) 59 73 3b ; 91 133 5b [ 123 173 7b { 28 34 1c FS (file separator) 60 74 3c < 92 134 5c \ 124 174 7c | 29 35 1d GS (group separator) 61 75 3d = 93 135 5d ] 125 175 7d } 30 36 1e RS (record separator) 62 76 3e > 94 136 5e ^ 126 176 7e ~ 31 37 1f US (unit separator) 63 77 3f ? 95 137 5f _ 127 177 7f DEL (delete)
Note: in Unicode, the ASCII character block is known as U+0000..U+007F Basic Latin.
#include <iostream>
int main()
{
std::cout << "Printable ASCII [32..126]:\n";
for (char c{' '}; c <= '~'; ++c)
std::cout << c << ((c + 1) % 32 ? ' ' : '\n');
std::cout << '\n';
}
Possible output:
Printable ASCII [32..126]:
! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
@ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _
` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~[edit] See also
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