/foo[bar]/igm
//
foo |
[bar]*
//igmuy
//
foo #bar
[baz] # foo bar
//

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

[
	["regex", "/foo[bar]/igm"],
	["regex", ["//\r\nfoo |\r\n[bar]*\r\n//igmuy"]],
	["regex", [
		"//\r\nfoo ",
		["comment", "#bar"],
		"\r\n[baz] ",
		["comment", "# foo bar"],
		"\r\n//"
	]]
]

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

Checks for regexps.