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Escape sequences
Escape sequences are used to represent certain special characters within string literals and character literals.
| Escape sequence | Description | Representation |
|---|---|---|
\' |
single quote | byte 0x27 in ASCII encoding |
\" |
double quote | byte 0x22 in ASCII encoding |
\? |
question mark | byte 0x3f in ASCII encoding |
\\ |
backslash | byte 0x5c in ASCII encoding |
\a |
audible bell | byte 0x07 in ASCII encoding |
\b |
backspace | byte 0x08 in ASCII encoding |
\f |
form feed - new page | byte 0x0c in ASCII encoding |
\n |
line feed - new line | byte 0x0a in ASCII encoding |
\r |
carriage return | byte 0x0d in ASCII encoding |
\t |
horizontal tab | byte 0x09 in ASCII encoding |
\v |
vertical tab | byte 0x0b in ASCII encoding |
\nnn |
arbitrary octal value | byte nnn |
\xnn |
arbitrary hexadecimal value | byte nn |
\unnnn |
universal character name (arbitrary Unicode value); may result in several characters | code point U+nnnn |
\Unnnnnnnn |
universal character name (arbitrary Unicode value); may result in several characters | code point U+nnnnnnnn |