Swift Special Characters in String Literals
Swift Special Characters:
Normally, the characters in a string are displayed exactly as they appear in the double quotes. However, the paired characters \ and n, repeated three times in the statement, do not appear on the screen. The backslash (\) is an escape character, which has special meaning in a String literal – \n. It represents the line-feed special character. When the screen’s output cursor moves to the beginning of the next line in the standard output.
|Line feed (It is often called newline). Position the screen cursor at the beginning of the next line.
|Horizontal tab. Move the screen cursor to the next tab stop.
|Backslash. It is used to print a backslash character.
|Carriage return. Position the screen cursor at the beginning of the current line, do not advance to the next line.
|Double quote. It is used to insert a double-quote character.
|Single quote. It is used to insert a single-quote character.
|A Unicode character - n is between one and eight hexadecimal digits.