(~42)
(+42)
(-42)
(4/2)
(9\2)
(9%2)
(!true)
(4!|2)
(true!||false)
(4!=2)
(4&2)
(true&&false)
(4|2)
(true||false)
(4==2)
(4<2)
(4<=2)
(4<<2)
(4>2)
(4>=2)
(4>>2)
(-f "foo")
(-d "foo")
(def $foo)
(4 eq 2)
(4 ge 2)
(4 gt 2)
(in "foo")
($foo is string)
(4 le 2)
(4 lt 2)
(4 ne 2)

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

[
	["expression", [
		["punctuation", "("],
		["operator", "~"],
		["number", "42"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "+"],
		["number", "42"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "-"],
		["number", "42"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "/"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "9"],
		["operator", "\\"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "9"],
		["operator", "%"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "!"],
		["boolean", "true"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "!|"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["boolean", "true"],
		["operator", "!||"],
		["boolean", "false"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "!="],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "&"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["boolean", "true"],
		["operator", "&&"],
		["boolean", "false"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "|"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["boolean", "true"],
		["operator", "||"],
		["boolean", "false"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "=="],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "<"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "<="],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "<<"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", ">"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", ">="],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", ">>"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "-f"],
		["string", "\"foo\""],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "-d"],
		["string", "\"foo\""],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "def"],
		["variable", ["$foo"]],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "eq"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "ge"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "gt"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["operator", "in"],
		["string", "\"foo\""],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["variable", ["$foo"]],
		["operator", "is"],
		" string",
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "le"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "lt"],
		["number", "2"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["number", "4"],
		["operator", "ne"],
		["number", "2"],
		["punctuation", ")"]
	]]
]

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

Checks for operators inside expressions.