Filtering on Contents in DNG
One answer
You just made a statement, and did not ask a question. I suppose your question is - is it possible to filter on primary text? If so, unfortunately the answer is not, as least for now.
https://jazz.net/forum/questions/115017/who-do-i-filter-on-the-primary-text-field-in-rrc-doors-next-generation
https://jazz.net/jazz03/resource/itemName/com.ibm.team.workitem.WorkItem/52569