On Wed, 17 Dec 2008 00:00:30 +0300, Philip Hazel <[email protected]> wrote:
> On Mon, 15 Dec 2008, [email protected] wrote: > >> IMHO, in certain cases it's not quite right. For example, >> /...(*ACCEPT)...A/ at user's point of view may be accessed without >> letter "A" occurrence. Are "disordering" optimizations invoked in this >> case? > > I had already spotted that one. The "look ahead for a required > character" optimization is disabled in the presence of (*ACCEPT). It is > also disabled if the subject is very, very long (because it can take too > much time to search for a character that is not present). > > Philip > So, the feature of disabling "disordering" optimizations is already present in PCRE. I'm suggests that this ability may optionally outspreads for callouts. Suppose i want to provide some action in the middle of regexp matching, regardless successful or not will be matching result. Perl, as i think, lets doing that. But PCRE dont. -- ## List details at http://lists.exim.org/mailman/listinfo/pcre-dev
