- HTML5
(n)(n)- C
\u0028\u006E\u0029 (C99)\U000028\U00006E\U000029 (C99)\x28\x6E\x29 (encoding-dependent)\050\156\051 (encoding-dependent)- C++
\u{28}\u{6E}\u{29} (C++23)\x{28}\x{6E}\x{29} (C++23, encoding-dependent)\o{050}\o{156}\o{051} (C++23, encoding-dependent)\U00000028\U0000006E\U00000029\u0028\u006E\u0029\x28\x6E\x29 (encoding-dependent)\050\156\051 (encoding-dependent)- Java
\u0028\u006E\u0029- JavaScript
\u{28}\u{6E}\u{29}\u0028\u006E\u0029\x28\x6E\x29- CSS
\28\6E\29\000028\00006E\000029- Quoted-Printable
=28=6E=29- URL
%28%6E%29