- HTML5
(1)(1)- C
\u0028\u0031\u0029 (C99)\U000028\U000031\U000029 (C99)\x28\x31\x29 (encoding-dependent)\050\061\051 (encoding-dependent)- C++
\u{28}\u{31}\u{29} (C++23)\x{28}\x{31}\x{29} (C++23, encoding-dependent)\o{050}\o{061}\o{051} (C++23, encoding-dependent)\U00000028\U00000031\U00000029\u0028\u0031\u0029\x28\x31\x29 (encoding-dependent)\050\061\051 (encoding-dependent)- Java
\u0028\u0031\u0029- JavaScript
\u{28}\u{31}\u{29}\u0028\u0031\u0029\x28\x31\x29- CSS
\28\31\29\000028\000031\000029- Quoted-Printable
=28=31=29- URL
%28%31%29