Yes, you are absolutely right, this is definitely one of the main reasons why it is not clean in my mind (and I upvoted your comment). But you can also make a temporary copy if you want to keep the original array intact, no big deal if the data is nor too large. But again, I am not suggesting this as a good solution. It might just be a possible useful alternative in some edge cases or very specific context, although I fail to see any.

In reply to Re^5: Capturing regex from map by Laurent_R
in thread Capturing regex from map by trippledubs

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