string=" some stuff then foo then bar then more stuff"
3 matched "oo then bar then more stuff"
4 matched "some stuff then foo then bar then more stuff"
string=" some stuff then bar then more stuff"
5 matched " some stuff then bar then more stuff"
6 matched " some stuff then bar then more stuff"
7 matched " some stuff then bar then more stuff"
8 matched " some stuff then bar then more stuff"