0
123
123.456
123.456e65
123.456e+65
1_2_3.4_5_6e-6_5
1_2_3e-6_5
0x0
0X0
0xbad.345e
0xbad.345ep54
0xbad.345ep+54
0xb_a_d.3_4_5_ep-5_4
----------------------------------------------------
[
["number", "0"],
["number", "123"],
["number", "123.456"],
["number", "123.456e65"],
["number", "123.456e+65"],
["number", "1_2_3.4_5_6e-6_5"],
["number", "1_2_3e-6_5"],
["number", "0x0"],
["number", "0X0"],
["number", "0xbad.345e"],
["number", "0xbad.345ep54"],
["number", "0xbad.345ep+54"],
["number", "0xb_a_d.3_4_5_ep-5_4"]
]
