Special characters can be included in string literals using the following escape sequences:
The following example shows how to use a few string literals:

Swift 4

Escape sequence Meaning
\0 Null Character
\\ \character
\b Backspace
\f Form feed
\n Newline
\r Carriage return
\t Horizontal tab
\v Vertical tab
\’ Single Quote
\” Double Quote
\000 Octal number of one to three digits
\xhh… Hexadecimal number of one or more digits

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