Look-behind proposal in trouble

[Waldemar Horwat]

On 10/10/2015 03:48, Erik Corry wrote:
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> On Sat, Oct 10, 2015 at 12:47 AM, Waldemar Horwat <waldemar at google.com <mailto:waldemar at google.com>> wrote:
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>     It's not a superset.  Captures would match differently.
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> Can you elaborate?  How would they be different?

If you have a capture inside a loop (controlled, say, by {n}), one of the proposals would capture the first instance, while the other proposal would capture the last instance.

     Waldemar