Ruby regex matching overlapping terms

Question

I'm using:

r = /(hell|hello)/

"hello".scan(r)  #=>   ["hell"]

but I would like to get [ "hell", "hello" ].

http://rubular.com/r/IxdPKYSUAu

Answer 1

You can use a fancier capture:

'hello'.match(/((hell)o)/).captures
=> ["hello", "hell"]