POV-Ray : Documentation : 2.8.3.5 Strings
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2.8.3.4 User defined Functions   2.8.3.6 Arrays

2.8.3.5 Strings

String Expressions
STRING:
STRING_FUNCTION | STRING_IDENTIFIER | STRING_LITERAL
STRING_FUNCTION:
chr (INT) | concat (STRING,STRING[,STRING]...) | str (FLOAT,INT,INT) | strlwr (STRING) | strupr (STRING) | substr (STRING,INT,INT) | vstr (INT,VECTOR,STRING,INT,INT)
STRING_LITERAL:
QUOTE [CHARACTER...] QUOTE
Limited to 256 characters.
QUOTE:
"
CHARACTER:
Any ASCII or Unicode character, depending on the charset setting in global_settings. The following escape sequences might be useful when writing to files or message streams:
\a - alarm
\b - backspace
\f - form feed
\n - new line
\r - carriage return
\t - horizontal tab
\uNNNN - unicode character four-digit code
\v - vertical tab
\\ - backslash
\' - single quote
\" - double quote

Quick Reference Contents

2.8.3.4 User defined Functions   2.8.3.6 Arrays


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