number_feature.test 520 Bytes
0xFF
0xBad_Face

0b1100
0b1111_0000

42
42_000
3.14_15_9
1.2e4
1_423.6E-2
0.8E+12

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[
	["number", "0xFF"],
	["number", "0xBad_Face"],

	["number", "0b1100"],
	["number", "0b1111_0000"],

	["number", "42"],
	["number", "42_000"],
	["number", "3.14_15_9"],
	["number", "1.2e4"],
	["number", "1_423.6E-2"],
	["number", "0.8E+12"]
]

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Checks for hexadecimal, binary and decimal numbers.