Following table is a list of escape or non-printable characters that can be represented with backslash notation.
An escape character gets interpreted; in a single quoted as well as double quoted strings.
| Backslash notation | Hexadecimal character | Description |
|---|---|---|
| \a | 0x07 | Bell or alert |
| \b | 0x08 | Backspace |
| \cx | Control-x | |
| \C-x | Control-x | |
| \e | 0x1b | Escape |
| \f | 0x0c | Formfeed |
| \M-\C-x | Meta-Control-x | |
| \n | 0x0a | Newline |
| \nnn | Octal notation, where n is in the range 0.7 | |
| \r | 0x0d | Carriage return |
| \s | 0x20 | Space |
| \t | 0x09 | Tab |
| \v | 0x0b | Vertical tab |
| \x | Character x | |
| \xnn | Hexadecimal notation, where n is in the range 0.9, a.f, or A.F |