bthe literal b (9810 / 1428 / 6216) (case sensitive)
e{1,2}the literal e (10110 / 1458 / 6516) (case sensitive), repeated between 1 and 2 times
pthe literal p (11210 / 1608 / 7016) (case sensitive)
g modifier: global. Finds all matches instead of stopping after the first