It's seems without space.  #HDP DEV Cluster kadmin.local : addprinc krbtgt/HDPDQA.QA.COM@HDPDEV.DEV.COM kadmin.local : addprinc krbtgt/HDPDDEV.DEV.COM@HDPQA.QA.COM #HDP QA cluster Kadmin.local : addprinc krbtgt/HDPDQA.QA.COM@HDPDEV.QA.COM kadmin.local : addprinc krbtgt/HDPDDEV.DEV.COM@HDPQA.QA.COM   ... View more

RULE:[1:$1@$0](^.*@AD\.HORTONWORKS\.COM$)s/^(.*)@AD\.HORTONWORKS\.COM$/$1/g I am not quiet sure if the brackets arountd (.*) are really necessary. ... View more