// 0[oO]?[0-7]+n?
0o464063622
# 0[oO](?:_?[0-7])+
# 0_?[0-7]+(_[0-7]+)*
// 0o[0-7_]+
-- 0[oO]_*[0-7](_*[0-7])*
# 0o[0-7]+
% 0o[0-7]+
# 0o[0-7]+((_[0-7]+)+)?
// 0[oO][0-7][0-7_]*
// 0[0-7_]+
// 0[oO][0-7]+
// 0[oO][0-7][0-7_]*[uU]?[yslLn]?
-- O"[0-7_]+"
// 0[0-7]+[LlUu]*
// ([0-9]+)|(\'o)[0-7]+
; 0[0-7]+j?
0o177
; 0\d+
% [0-9]+\#(\-|\+)?([0-9]+\.?|[0-9]*\.[0-9]+|[0-9]+\.[0-9]*)((e|E)[0-9]+)?(?=[()<>\[\]{}/%\s])
-- 0[cC][0-7]+
0o1234
// ([1-9][_0-9]*)?\s*\'[sS]?[oO]\s*[xXzZ?0-7][_xXzZ?0-7]*
# 0[0-7]+j?
// 0[0-7_]+([tTsSiIlLvV]|ll|LL|([iIuU])(8|16|32|64))?
# 0\d+
0455
Languages with Octals include JavaScript, Python, Java, Perl, Go, Swift, Haskell, Elixir, Prolog, Julia, Zig, Reason, D, Chapel, F#, Coq, OCaml, VHDL, Protocol Buffers, F*, IDL, Verilog, Hy, Puppet, C3, AutoHotkey, PostScript, Cython, Eiffel, Wa-lang, Opa, MoonBit, SystemVerilog, NumPy, Cryptol, HLSL, GLSL, AutoIt, Golo, Felix, Boo, AspectJ, ooc, Meson, SourcePawn, Isabelle, Logtalk, Earl Grey, Jule, FloScript, Aardvark, Pawn, nimrod, CBOR data definition language
Languages without Octals include Lua, Lil, progsbase, Speedie
View all concepts with or missing a hasOctals measurement
Read more about Octals on the web: 1.