Changing the $sp regex to (?:\s*) cut runtime to almost nothing, so it looks like that's where my problem is.

I do need to allow comments anywhere in the string, though -- including having comments right after comments. Is there a cleaner way of doing that?

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A fair fight is a sign of poor planning.

In reply to Re^3: Analyzing regular expression performance by Sprad
in thread Analyzing regular expression performance by Sprad

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