""
"Foo""bar"
"Foo'
bar""
baz"
''
'Foo''bar'
'Foo"
bar''
baz'

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

[
	["string", "\"\""],
	["string", "\"Foo\"\"bar\""],
	["string", "\"Foo'\r\nbar\"\"\r\nbaz\""],
	["string", "''"],
	["string", "'Foo''bar'"],
	["string", "'Foo\"\r\nbar''\r\nbaz'"]
]

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

Checks for strings.