From: Junio C Hamano Date: Thu, 04 Aug 2016 22:09:21 GMT Subject: Re: git grep -P is multiline for negative lookahead/behind Message-ID: In-Reply-To: On Thu, Aug 4, 2016 at 11:54 AM, Michael Giuffrida wrote: > On Mon, Aug 1, 2016 at 2:35 PM, Junio C Hamano wrote: >> 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. If that is the case I do not know what is going on; perhaps somebody more familiar with the pcre codepath can help. Sorry.