Escape sequence
\\
\'
\"
\?
\a
\b
\f
\n
\r
\t
\v
\ooo\xhh . . .
Meaning
\ character
' character
" character
? character
Alert or bell
Backspace
Form feed
Newline
Carriage return
Horizontal tab
Vertical tab
Octal number of one to three digitsHexadecimal number of one or more digits