| Character | Description | | \f | Form feed | | \n | Newline | | \r | Carriage return | | \t | Tab | | \v | Vertical tab | | \/ | Forward slash (/) | | \\ | Backward slash (\) | | \. | Period (.) | | \* | Asterisk (*) | | \+ | Plus (+) | | \? | Question Mark (?) | | \| | Horizontal bar (|) | | \( | Left parenthesis ( | | \) | Right parenthesis ) | | \[ | Left bracket ([) | | \] | Right bracket (]) | | \{ | Left curly brace ({) | | \} | Right curly brace (}) | | \XXX | ASCII character represented by the octal number XXX | | \xHH | ASCII character represented by the hexadecimal number HH | | \cX | The control character represented by X |
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