0
1
24567898765
0.0
1.0
3.14
2.7e3
2E-5
1.23e+3
----------------------------------------------------
[
["number", "0"],
["number", "1"],
["number", "24567898765"],
["number", "0.0"],
["number", "1.0"],
["number", "3.14"],
["number", "2.7e3"],
["number", "2E-5"],
["number", "1.23e+3"]
]
----------------------------------------------------
Checks for numbers.