Is there a scenario where whitespace, comments and case should not be ignored?
> -----Original Message----- > From: amavis-users [mailto:amavis-users- > bounces+dino.edwards=mydirectmail....@amavis.org] On Behalf Of Pete > Houston > Sent: Wednesday, March 02, 2016 9:28 AM > To: amavis-users@amavis.org > Subject: Re: expressions clarification > > On Wed, Mar 02, 2016 at 02:06:55PM +0000, Dino Edwards wrote: > > I'm trying to figure out what the difference between the following > expressions are: > > > > [qr'.\.(mdb)$'ix => 0] > > [qr'.\.(uue)$'i => 0] > > [qr'^\.(lha)$' => 0] > > > > Mainly, trying to figure out when you put in "ix", "i" or nothing at all at > > the > end of the expression. > > 'x' means ignore whitespace and comments 'i' means ignore case > > perldoc perlre for the full details: > http://perldoc.perl.org/perlre.html#Modifiers > > Pete > -- > Openstrike - improving business through open source > http://www.openstrike.co.uk/ or call 01722 770036
