While($true){
    Write-Output "$($($InFiles | Where-Object {$_.ToCopy -eq 0}).count)"
}

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

[
	["keyword", "While"],
	["punctuation", "("],
	["boolean", "$true"],
	["punctuation", ")"],
	["punctuation", "{"],
	["function", "Write-Output"],
	["string", [
		"\"",
		["function", [
			"$",
			["punctuation", "("],
			"$",
			["punctuation", "("],
			["variable", "$InFiles"],
			["punctuation", "|"],
			["function", "Where-Object"],
			["punctuation", "{"],
			["variable", "$_"],
			["punctuation", "."],
			"ToCopy ",
			["operator", "-eq"],
			" 0",
			["punctuation", "}"],
			["punctuation", ")"],
			["punctuation", "."],
			"count",
			["punctuation", ")"]
		]],
		"\""
	]],
	["punctuation", "}"]
]

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

Checks for nested expressions in strings. See #1407