For when plain text goes mad. Handy for printf, sed, vim

Control Characters

CTRL   (^D means to hold the CTRL key and hit d)

Oct  Dec Char  Hex  Key    Comments
\000   0  NUL  \x00  ^@ \0 (Null byte)
\001   1  SOH  \x01  ^A    (Start of heading)
\002   2  STX  \x02  ^B    (Start of text)
\003   3  ETX  \x03  ^C    (End of text)
\004   4  EOT  \x04  ^D    (End of transmission)
\005   5  ENQ  \x05  ^E    (Enquiry)
\006   6  ACK  \x06  ^F    (Acknowledge)
\007   7  BEL  \x07  ^G    (Ring terminal bell)
\010   8   BS  \x08  ^H \b (Backspace)  (\b matches backspace inside [] only)
\011   9   HT  \x09  ^I \t (Horizontal tab)
\012  10   LF  \x0A  ^J \n (Line feed)
\013  11   VT  \x0B  ^K    (Vertical tab)
\014  12   FF  \x0C  ^L \f (Form feed)
\015  13   CR  \x0D  ^M \r (Carriage return)
\016  14   SO  \x0E  ^N    (Shift out)
\017  15   SI  \x0F  ^O    (Shift in)
\020  16  DLE  \x10  ^P    (Data link escape)
\021  17  DC1  \x11  ^Q    (Device control 1) (XON) (Default UNIX START char.)
\022  18  DC2  \x12  ^R    (Device control 2)
\023  19  DC3  \x13  ^S    (Device control 3) (XOFF)  (Default UNIX STOP char.)
\024  20  DC4  \x14  ^T    (Device control 4)
\025  21  NAK  \x15  ^U    (Negative acknowledge)
\026  22  SYN  \x16  ^V    (Synchronous idle)
\027  23  ETB  \x17  ^W    (End of transmission block)
\030  24  CAN  \x18  ^X    (Cancel)
\031  25  EM   \x19  ^Y    (End of medium)
\032  26  SUB  \x1A  ^Z    (Substitute character)
\033  27  ESC  \x1B  ^[    (Escape)
\034  28  FS   \x1C  ^\    (File separator, Information separator four)
\035  29  GS   \x1D  ^]    (Group separator, Information separator three)
\036  30  RS   \x1E  ^^    (Record separator, Information separator two)
\037  31  US   \x1F  ^_    (Unit separator, Information separator one)
\177 127  DEL  \x7F  ^?    (Delete)

Printable Characters

Specials (32-47)

Oct  Dec Char Hex    Comments
\040  32 " " \x20    (space)
\041  33  !  \x21    EXCLAMATION POINT(bang)
\042  34  "  \x22    QUOTATION MARK, DIAERESIS
\043  35  #  \x23:   NUMBER SIGN (Pound sign)
\044  36  $  \x24    DOLLAR SIGN
\045  37  %  \x25    PERCENT SIGN
\046  38  &  \x26    AMPERSAND
\047  39  '  \x27    APOSTROPHE, RIGHT SINGLE QUOTATION MARK, ACUTE ACCENT (single quote)
\050  40  (  \x28    LEFT PARENTHESIS  (open parenthesis)
\051  41  )  \x29    RIGHT PARENTHESIS (close parenthesis)
\052  42  *  \x2A    ASTERISK
\053  43  +  \x2B    PLUS SIGN
\054  44  ,  \x2C    COMMA, CEDILLA
\055  45  -  \x2D    HYPHEN, MINUS SIGN
\056  46  .  \x2E    PERIOD, DECIMAL POINT, (Full Stop)
\057  47  /  \x2F    SLANT (SOLIDUS), slash

Digits

Oct  Dec Char Hex
\060  48  0  \x30
\061  49  1  \x31
\062  50  2  \x32
\063  51  3  \x33
\064  52  4  \x34
\065  53  5  \x35
\066  54  6  \x36
\067  55  7  \x37
\070  56  8  \x38
\071  57  9  \x39

Specials (58-64)

Oct  Dec Char Hex    Comments
\072  58  :  \x3A    COLON
\073  59  ;  \x3B    SEMICOLON
\074  60  <  \x3C    LESS-THAN SIGN  (left angle bracket)
\075  61  =  \x3D    EQUALS SIGN
\076  62  >  \x3E    GREATER-THAN SIGN  (right angle bracket)
\077  63  ?  \x3F    QUESTION MARK
\100  64  @  \x40    COMMERCIAL AT

Latin Capital Letters

Oct  Dec Char Hex       Oct  Dec Char Hex       Oct  Dec Char Hex
\101  65  A  \x41	\112  74  J  \x4A	\123  83  S  \x53
\102  66  B  \x42	\113  75  K  \x4B	\124  84  T  \x54
\103  67  C  \x43	\114  76  L  \x4C	\125  85  U  \x55
\104  68  D  \x44	\115  77  M  \x4D	\126  86  V  \x56
\105  69  E  \x45	\116  78  N  \x4E	\127  87  W  \x57
\106  70  F  \x46	\117  79  O  \x4F	\130  88  X  \x58
\107  71  G  \x47	\120  80  P  \x50	\131  89  Y  \x59
\110  72  H  \x48	\121  81  Q  \x51	\132  90  Z  \x5A
\111  73  I  \x49	\122  82  R  \x52

Specials (91-96)

Oct  Dec Char Hex    Comments
\133  91  [  \x5B    LEFT (SQUARE) BRACKET (open bracket) 
\134  92  \  \x5C    REVERSE SLANT (REVERSE SOLIDUS) (backslash, backslant) 
\135  93  ]  \x5D    RIGHT (SQUARE) BRACKET (closing bracket) 
\136  94  ^  \x5E    CIRCUMFLEX ACCENT 
\137  95  _  \x5F    UNDERLINE (LOW LINE)
\140  96  `  \x60    LEFT SINGLE QUOTATION MARK, GRAVE ACCENT 

Latin Small Letters

Oct  Dec Char Hex       Oct  Dec Char Hex       Oct  Dec Char Hex
\141  97  a  \x61	\152 106  j  \x6A	\163 115  s  \x73
\142  98  b  \x62	\153 107  k  \x6B	\164 116  t  \x74
\143  99  c  \x63	\154 108  l  \x6C	\165 117  u  \x75
\144 100  d  \x64	\155 109  m  \x6D	\166 118  v  \x76
\145 101  e  \x65	\156 110  n  \x6E	\167 119  w  \x77
\146 102  f  \x66	\157 111  o  \x6F	\170 120  x  \x78
\147 103  g  \x67	\160 112  p  \x70	\171 121  y  \x79
\150 104  h  \x68	\161 113  q  \x71	\172 122  z  \x7A
\151 105  i  \x69	\162 114  r  \x72

Specials (123-126)

Oct  Dec Char Hex    Comments
\173 123  {  \x7B    LEFT BRACE (LEFT CURLY BRACKET) (open brace)
\174 124  |  \x7C    VERTICAL LINE (pipe)
\175 125  }  \x7D    RIGHT BRACE (RIGHT CURLY BRACKET) (closing brace)
\176 126  ~  \x7E    TILDE (OVERLINE) (squiggle)

Control (127)

Oct  Dec Char Hex Key   Comments
\177 127 DEL \x7F ^?    (Delete)