Date: Thu, 16 Jun 2016 15:41:21 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: Re: [PATCH] regex: support non-greedy quantifiers On Thu, Jun 16, 2016 at 09:10:50PM +0200, Szabolcs Nagy wrote: > * Julien Ramseier <j.ramseier@...il.com> [2016-06-16 17:33:48 +0200]: > > > Le 13 mars 2016 à 12:06, Julien Ramseier <j.ramseier@...il.com> a écrit : > > > > > > Here's a tiny patch to enable non-greedy regex quantifiers. > > > This is not specified by POSIX, but I think it's a useful > > > extension, and all the code for supporting it is already present. > ... > > > > Ping? > > musl is conservative about its regex syntax since extensions > are not portable across impementations so users cannot rely > on them. > > i think this extension is not available in glibc and other > posix regex implementations either, it's a perl invention, > so it would be wrong to add it to musl, those who want perl > syntax can use the pcre lib. Indeed, and beyond the general principle of not adding extensions without strong precedent and justification, I really do not want to be adding new dubious extensions to something we're considering rewriting completely. It would add implementation burden and constraints on the new implementation. Rich
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