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
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