0 groups, zero matches
1 group, multiple matches, String and FixedString
[['hello','world']]
[['hello','world']]
[['hello','world']]
[['hello','world']]
[['hello','world']]
[['hello','world']]
mutiple groups, multiple matches
[['abc','def','ghi','"jkl mno"'],['111','222','333','"444 foo bar"']]
big match
0	1	0	[]
260	1	1	[156]
520	1	3	[156,156,156]
lots of matches
0	1	0	0
260	1	260	260
520	1	520	520
lots of groups
0	100	0	[]
260	100	2	[1,1]
520	100	5	[1,1,1,1,1]