This snippet shows very different behavior in 5.6.1 and 5.00503. In the earlier version I see the exponential execution time, but in 5.6.1 it seems to do *much* better. Do you know of any improvements in perl that might account for this?

-Blake

In reply to Re: Re (tilly) 1: Avoiding regex backtracking by blakem
in thread Avoiding regex backtracking by Aristotle

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