String Literal
String literals are any characters surrounded by a pair of " or '. Any utf-8 characters may be included. To use special characters, you may put a \ before that escape sequence. Here is a list of all escape sequence.
Syntax
String:
' ( [^\\] | EscapeSequence | \\' )* '
| " ( [^\\] | EscapeSequence | \\" )* "EscapeSequence:
\\x [0-7]{2}
| \\u [0-9a-fA-F]{4}
| \\U [0-9a-fA-F]{8}
| \\r | \\n | \\t | \\
| Escapes | Character |
|---|---|
\\ | backslash |
\r | Newline |
\n | Carriage return |
\t | Tab |
\x41 | 7 bit character code (exactly 2 hex numbers*) |
\u00E9 | 16bit unicode escape(exactly 4 hex numbers*) |
\U000000E9 | 16bit unicode escape(exactly 8 hex numbers*) |
*: All hex numbers ignore case.