/^1?$|^(11+?)\1+$/ Members

Rank	Username	Points ▾	Problems
1	oree	20	12
2	Engrforlife	2	1
2	inukama	2	1
4	Alice	0	0
4	John	0	0
4	Hello	0	0
4	TestUser	0	0
4	MyName	0	0