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maxfelsher (Max Felsher)

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02/10/2026

04:58 AM Ruby Bug #21870: Regexp: Warnings when using slightly overlapping \p{...} classes
If I'm reading the history right, the warning was added in #1831 in order to catch mistakes like a regexp defined as `/[:lower:]/` (as opposed to `/[[:lower:]]/`, I assume). I can see the value in that, but it does seem like there should... maxfelsher (Max Felsher)

06/04/2025

04:04 AM Ruby Feature #21346: Introduce `String#ensure_suffix`
I like this idea, but I'm concerned about the same method returning `self` in one case and a new string in another. It seems like it'd be easier to reason about if it either always returned a new string or always affected the original ob... maxfelsher (Max Felsher)

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