From: Michael Giuffrida Date: Thu, 04 Aug 2016 18:54:32 GMT Subject: Re: git grep -P is multiline for negative lookahead/behind Message-ID: In-Reply-To: On Mon, Aug 1, 2016 at 2:35 PM, Junio C Hamano wrote: > Michael Giuffrida writes: > >> Is this expected behavior, and if so, why/where is this documented? > > I do not think "git grep" was designed to do multi-line anything, > with or without lookahead. If you imagine that the implementation > attempts its matches line-by-line, does that explain the observed > symptom? No. If it worked line-by-line, it would produce more results. It is not producing the expected matches because it *is* considering the previous line in negative lookbehind, when I don't want or expect it to. Thus it throws out results that should match.