Point 2 can be done with: 
    split /(?:^|[^\\])(?:\\\\)*\K,/    # 5.10 required

[download]
But that's just point 2, it doesn't consider commas inside quotes.

In reply to Re^2: Help with regex for complicated key=value string by JavaFan
in thread Help with regex for complicated key=value string by mscharrer

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