""
"fo\"obar"
''
'fo\'obar'

b""
b"fo\"obar"
b''
b'fo\'obar'

r#""#
r#"fo"obar"#
r###"foo#bar"###

br#""#
br#"fo"obar"#
br###"foo#bar"###

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

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

	["string", "b\"\""],
	["string", "b\"fo\\\"obar\""],
	["string", "b''"],
	["string", "b'fo\\'obar'"],

	["string", "r#\"\"#"],
	["string", "r#\"fo\"obar\"#"],
	["string", "r###\"foo#bar\"###"],

	["string", "br#\"\"#"],
	["string", "br#\"fo\"obar\"#"],
	["string", "br###\"foo#bar\"###"]
]

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

Checks for strings.