42
42_000
3.14_15_9
0.4E+123_456
3.7e-7
1_6#Bad_Face#E-32_1

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

[
	["number", "42"],
	["number", "42_000"],
	["number", "3.14_15_9"],
	["number", "0.4E+123_456"],
	["number", "3.7e-7"],
	["number", "1_6#Bad_Face#E-32_1"]
]

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

Checks for numbers.