I'd also be interested in seeing the benchmarks. I can add one thing: the last Regex isn't the same as the others because the [^\n] character class is (accidently) a negated character class. Rearranging it to [\n^] should fix that.

Hays

In reply to Re^2: Inexplicably slow regex by hgolden
in thread Inexplicably slow regex by Anonymous Monk

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