On Thu, 4 Oct 2012, Jille Timmermans wrote: > When I make the recursive-backreference (?R) optional (with ?) it doesn't > match > the data to its full extent. > > I've tested this with pcretest 7.7 and PHP 5.4.7 (uses pcre 8.12).
I have just tested it with Perl 5.12.4 and 5.15.3 and in both cases the same result as PCRE (latest code) is obtained. I have not yet had time to work out why, but the compatibility with Perl suggests that it is a "feature" rather than a bug. I'll try to dig deeper soon and post the result. Philip -- Philip Hazel -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
