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11 months agoI also use Feeder, and have been using it for about a year now. There is no way to delete a single post without deleting the entire feed. What is probably happening is that you have disabled “Read” articles in the filter:
<details><summary>Alt Text</summary>Screenshot of Feeder main screen. Shows filter menu opened displaying checkboxes “Unread”, “Saved”, “Recently Read”, and “Read”. All options are checked.</details>
Piggybacking onto this to mention my go-to online RegEx editor: RegExr. It lets you test the regex as you type, explains the particular symbols used, as well as has a sidebar where you can see different pattern types categorically. I’ve been using it for almost 2 years now, and haven’t had any reason to use much else (after I discovered this).