""
"fo\"obar"
''
'fo\'obar'
"fo\" # comment obar"

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

[
	["string", "\"\""],
	["string", "\"fo\\\"obar\""],
	["string", "''"],
	["string", "'fo\\'obar'"],
	["string", "\"fo\\\" # comment obar\""]
]

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

Checks for strings.