How to write a unicode symbol in lua

Question

How can I write a Unicode symbol in lua. For example I have to write symbol with 9658
when I write

string.char( 9658 );

I got an error.

Answer 1

To get broader support for Unicode string content, one approach is slnunicode which was developed as part of the Selene database library. It will give you a module that supports most of what the standard string library does, but with Unicode characters and UTF-8 encoding.