Re^2: Sum of N elements in an M element array

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in thread Sum of N elements in an M element array

I stared a little while at the code you provided wondering why and how it works and jumped to the conclusion that using Data::PowerSet is by far the better solution. Regards, Karl

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Re^3: Sum of N elements in an M element array by Anonymous Monk on Feb 02, 2020 at 00:44 UTC
He's building a regex which is trying to match n numbers, because of the (fail) it keeps backtracking to match all possibilities. The embedded Perl code ensures the output before backtracking to the next match. I actual like seeing such code as answers to lazy questions. ;)	[reply]

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