@duc reblogs of your reblog/post will contain the text content of your reblog but not the tag, e.g.:
user-1 posts: “here’s some things” user-2 reblogs with: “and some more” and adds the tag “#here’s some stuff i just want to share with my followers” user-3 reblogs that reblog, and it shows up like this:\
user-3 reblogged:
user-1: here's some things
user-2: and some more