Character Encoding
UTF-8
0xF20x9F0xBF0xBE
UTF-16
0xDA3F0xDFFE
UTF-32
0x0009FFFE
Copy & Paste Codes
Unicode Escape
\u{9FFFE}
HTML Entity (Decimal)

HTML Entity (Hex)

CSS Code
\9FFFE
JavaScript/JSON
String.fromCodePoint(0x9FFFE)
Python
chr(0x9FFFE)
Ruby/PHP
chr(0x9FFFE)
Unix, C, PHP, JAVA
0x9FFFE
Perl
chr(0x9FFFE)
URL Encoded
%9fffe