Autor: Marc Sherman Data: Para: exim-users Asunto: Re: [exim] How to disable logging unroutable addresses?
Jakob Hirsch wrote: >
> Oh, cool, I didn't know that. Where is this documented? And is this
> still true if you run egrep and therefore tell grep to use the pattern
> as an extended regex? (hm, probably yes...)
That's the nature of a regexp. The regexp language is designed to be
compilable into an FSM (as long as backrefs aren't used) which can be
run very efficiently.
