123
123.456
0.456
123e-4
123e4
123.456e-7
123.456e2

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

[
    ["number", "123"],
    ["number", "123.456"],
    ["number", "0.456"],
    ["number", "123e-4"],
    ["number", "123e4"],
    ["number", "123.456e-7"],
    ["number", "123.456e2"]
]

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

Check numbers.