Agreed. I would try to keep the optional spaces as outside as possible. And I am guessing that I would not want to use the sorted version I have listed above for performance reasons. I would probably want to have them more in the order that they showed in the section listings above since you are more likely to have a simple case than a case four levels deep. Now if only I could get 5.10.0...

In reply to Re^2: Warning about playing with matches by ExReg
in thread Warning about playing with matches by ExReg

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