Greek Capital Letter Omega
U+03A9 · decimal 937 · Greek and Coptic
Every way to write it
7 formsΩ
A named entity — readable, and safe in any HTML document without declaring a charset.
Ω
The numeric form works everywhere a named one does, and exists for every character.
\03A9
For a content property in a ::before or ::after rule. No semicolon, and mind the trailing space.
\u03A9
Valid in a JavaScript or JSON string literal, so it survives files and pipelines that are not UTF-8 clean.
\u03A9
The escape for a Python string literal.
%CE%A9
Percent-encoded UTF-8, for a query string or a path segment.
CE A9
2 bytes on the wire. Seeing these as separate garbled characters means something decoded them as single-byte text.
Typing it without copying
system pickerControl + Command + Space, then search greek capital letter omega
Character Map or Alt + 937