42
42L
1.2e3
0.1E-4
0.2e+1

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

[
	["number", "42" ],
	["number", "42L" ],
	["number", "1.2e3" ],
	["number", "0.1E-4" ],
	["number", "0.2e+1" ]
]

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

Checks for decimal numbers.