"" ''
r"" r''
"fo\"o" 'fo\'o'
'foo
bar'
"foo
bar"
----------------------------------------------------
[
["string", "\"\""], ["string", "''"],
["string", "r\"\""], ["string", "r''"],
["string", "\"fo\\\"o\""], ["string", "'fo\\'o'"],
["string", "'foo\r\nbar'"],
["string", "\"foo\r\nbar\""]
]
----------------------------------------------------
Checks for single quoted, double quoted, and multiline strings