Sitecore Swamp

^(.*)(\r?\n\1)+

find duplicated lines in text, to replace with only one instance use \1

\(.*

find string which start with (

((\bScript\b)|(\bJavascript\b)) 

find lines which has either Script or Javascript

^[0-9\-T\:\.Z]{0,28}

find the characters which contains only 0-9, T, :, ., or Z, for length of 28