a{2}the literal a (9710 / 1418 / 6116) (case sensitive), repeated exactly 2 times
b{3,}the literal b (9810 / 1428 / 6216) (case sensitive), repeated at least 3 times
c{4,7}the literal c (9910 / 1438 / 6316) (case sensitive), repeated between 4 and 7 times
g modifier: global. Finds all matches instead of stopping after the first