'a'
'ä'
'本'
'\t'
'\xff'
'\u12e4'

`abc`
`\n
\n`
"\n"
"\""
"Hello, world!\n"
"日本語"
"\xff\u00FF"

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

[
	["string", "'a'"],
	["string", "'ä'"],
	["string", "'本'"],
	["string", "'\\t'"],
	["string", "'\\xff'"],
	["string", "'\\u12e4'"],
	["string", "`abc`"],
	["string", "`\\n\r\n\\n`"],
	["string", "\"\\n\""],
	["string", "\"\\\"\""],
	["string", "\"Hello, world!\\n\""],
	["string", "\"日本語\""],
	["string", "\"\\xff\\u00FF\""]
]

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

Checks for runes and strings.