On Fri, 22 Jun 2007, Marc Perkel wrote: > > hosts = \N^.*\.yahoo\.\N > > hosts = \N^.*?\.yahoo\.\N > > > > The second is a bit more efficient when it matches (about the same when > > it doesn't). > > > > Thanks for the tip Phil. Why is the second one more efficient?
Because it searches from the front instead of skipping all the way to the end and then searching backwards. -- Philip Hazel University of Cambridge Computing Service Get the Exim 4 book: http://www.uit.co.uk/exim-book -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
