HI all, I just come across an case statement for puppet. I would like to know what the means of the mx for below sample code? case $::operatingsystem { /(?-mx:AIX)/ :{ -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-users+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-users/0f5dd883-9bc3-45a2-8bf5-b031dfb58fcb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.