...which (in pre-5.10) will output empty strings every time.

With 5.10.0, /(?=(.*?))/g; outputs one empty string.  And I can confirm the behavior reported by jds17 with /(?=(.*))/g.

In reply to Re: Regex bug in 5.10 (was: Using Look-ahead and Look-behind) by almut
in thread Using Look-ahead and Look-behind by Roy Johnson

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