diff --git a/perl-xCAT/db2man b/perl-xCAT/db2man index 227372aef..f05cfb5b5 100755 --- a/perl-xCAT/db2man +++ b/perl-xCAT/db2man @@ -262,6 +262,12 @@ expression B<($1-1)%14+1> will evaluate to B<6>. See http://www.perl.com/doc/manual/html/pod/perlre.html for information on perl regular expressions. +=head2 Easy Regular Expressions + +As of xCAT 2.8.1, you can use a modified version of the regular expression support described in the previous section. You do not need to enter the node information (1st part of the expression), it will be derived from the input nodename. You only need to supply the 2nd part of the expression to determine the value to give the attribute. For examples, see + +https://sourceforge.net/apps/mediawiki/xcat/index.php?title=Listing_and_Modifying_the_Database#Easy_Regular_expressions + =head1 OBJECT DEFINITIONS Because it can get confusing what attributes need to go in what tables, the xCAT database can also