Can someone please explain why these expressions both produce the same
result? Surely this means that non-greedy regex does not work?

print re.sub( 'a.*b', '', 'ababc' )

gives: 'c'

Understandable. But

print re.sub( 'a.*?b', '', 'ababc' )

gives: 'c'

NOT, understandable. Surely the answer should be: 'abc'

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