(1)
(12)
(1.2)
(1.23)
(1.)
(foo 1)
[1 ]
(-1)
(+1)

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[
	["punctuation", "("], ["number", "1"], ["punctuation", ")"],
	["punctuation", "("], ["number", "12"], ["punctuation", ")"],
	["punctuation", "("], ["number", "1.2"], ["punctuation", ")"],
	["punctuation", "("], ["number", "1.23"], ["punctuation", ")"],
	["punctuation", "("], ["number", "1."], ["punctuation", ")"],
	["punctuation", "("], ["car", "foo"], ["number", "1"], ["punctuation", ")"],
	["punctuation", "["], ["number", "1"], ["punctuation", "]"],
	["punctuation", "("], ["number", "-1"], ["punctuation", ")"],
	["punctuation", "("], ["number", "+1"], ["punctuation", ")"]
]

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Checks for numbers.