String values
The system differentiates strings from other value types through the use of double quotation marks. Any value enclosed in double quotation marks is treated as a string literal. If double quotation marks are not present, the value is assumed to match its context — that is, if the value is involved in a comparison with a known IP address, the value is assumed to be an IP address.
Character literals
The following character literals can be used in strings:
- \n (linefeed)
- \r (carriage return)
- \f (formfeed)
- \b (backspace)
- \t (tab)
- \ \ (backslash)
- \" (double quotation marks)
- \' (single quotation marks)
Octal characters
Octal characters are represented by a backward slash followed by a three-character octal code, as follows: \nnn.
Hexadecimal characters
Hexadecimal characters are represented by a backward slash followed by x and a four-character hexadecimal code, as follows:
\xA5FF
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