expectMatch	14.16 RP	{a([bc])\1*}	ab	ab	b
expectMatch	14.17 RP	{a([bc])(\1*)}	ab	ab	b	""
expectError	14.18 -		{a((b)\1)}	ESUBREG
expectError	14.19 -		{a(b)c\2}	ESUBREG
expectMatch	14.20 bR	{a\(b*\)c\1}	abbcbb	abbcbb	bb
expectMatch	14.21 RP	{^([bc])\1*$}	bbb	bbb	b
expectMatch	14.22 RP	{^([bc])\1*$}	ccc	ccc	c
knownBug expectNomatch 14.23 R	{^([bc])\1*$}	bcb
expectNomatch	14.23 RP	{^([bc])\1*$}	bcb
expectMatch	14.24 LRP	{^(\w+)( \1)+$}	{abc abc abc} {abc abc abc} abc { abc}
expectNomatch	14.25 LRP	{^(\w+)( \1)+$}	{abc abd abc}
expectNomatch	14.26 LRP	{^(\w+)( \1)+$}	{abc abc abd}
expectMatch	14.27 RP	{^(.+)( \1)+$}	{abc abc abc} {abc abc abc} abc { abc}
expectNomatch	14.28 RP	{^(.+)( \1)+$}	{abc abd abc}
expectNomatch	14.29 RP	{^(.+)( \1)+$}	{abc abc abd}


doing 15 "octal escapes vs back references"
# initial zero is always octal
expectMatch	15.1  MP	"a\\010b"	"a\bb"	"a\bb"
expectMatch	15.2  MP	"a\\0070b"	"a\0070b"	"a\0070b"
expectMatch	15.3  MP	"a\\07b"	"a\007b"	"a\007b"

expectIndices	21.28 Q		"a(b){2,3}c"	xabbbcy	{1 5}	{4 4}
expectIndices	21.29 Q		"a(b){2,3}c"	xabbcy	{1 4}	{3 3}
expectNomatch	21.30 Q		"a(b){2,3}c"	xabcy
expectMatch	21.31 LP	"\\y(\\w+)\\y"	"-- abc-"	"abc"	"abc"
expectMatch	21.32 -		a((b|c)d+)+	abacdbd	acdbd	bd	b
expectMatch	21.33 N		(.*).*		abc	abc	abc
expectMatch	21.34 N		(a*)*		bc	""	""
expectMatch	21.35 M		{ TO (([a-z0-9._]+|"([^"]+|"")+")+)}	{asd TO foo}	{ TO foo} foo o {}


doing 22 "multicharacter collating elements"
# again ugh
expectMatch	22.1  &+L	{a[c]e}		ace	ace
expectNomatch	22.2  &+IL	{a[c]h}		ach
expectMatch	22.3  &+L	{a[[.ch.]]}	ach	ach

expectMatch	24.6  PT	ab??c		abc	abc
expectMatch	24.7  PQT	"ab{2,4}?"	abbbb	abb
expectMatch	24.8  PQT	"ab{2,4}?c"	abbbbc	abbbbc
expectMatch	24.9  -		3z*		123zzzz456	3zzzz
expectMatch	24.10 PT	3z*?		123zzzz456	3
expectMatch	24.11 -		z*4		123zzzz456	zzzz4
expectMatch	24.12 PT	z*?4		123zzzz456	zzzz4
expectMatch	24.13 PT	{^([^/]+?)(?:/([^/]+?))(?:/([^/]+?))?$}	{foo/bar/baz}	{foo/bar/baz} {foo} {bar} {baz}


doing 25 "mixed quantifiers"
# this is very incomplete as yet
# should include |
expectMatch	25.1 PNT	{^(.*?)(a*)$}	"xyza"	xyza	xyz	a
expectMatch	25.2 PNT	{^(.*?)(a*)$}	"xyzaa"	xyzaa	xyz	aa