42
0
+0
-0
+99
-17

1_000
5_349_221

0xDEADBEEF
0xdeadbeef
0xdead_beef

0o0123_4567
0o755

0b1101_0110

+1.0
3.1415
-0.01
5e+22
1e6
1e1_000
-2E-2
6.626e-34
9_224_617.445_991_228_313

inf
+inf
-inf
nan
+nan
-nan

----------------------------------------------------

[
	["number", "42"],
	["number", "0"],
	["number", "+0"],
	["number", "-0"],
	["number", "+99"],
	["number", "-17"],

	["number", "1_000"],
	["number", "5_349_221"],

	["number", "0xDEADBEEF"],
	["number", "0xdeadbeef"],
	["number", "0xdead_beef"],

	["number", "0o0123_4567"],
	["number", "0o755"],

	["number", "0b1101_0110"],

	["number", "+1.0"],
	["number", "3.1415"],
	["number", "-0.01"],
	["number", "5e+22"],
	["number", "1e6"],
	["number", "1e1_000"],
	["number", "-2E-2"],
	["number", "6.626e-34"],
	["number", "9_224_617.445_991_228_313"],

	["number", "inf"],
	["number", "+inf"],
	["number", "-inf"],
	["number", "nan"],
	["number", "+nan"],
	["number", "-nan"]
]

----------------------------------------------------

Checks for numbers.