This happens to be the use case for multiple cursors in editors like Sublime and Atom (slide #2 on http://www.sublimetext.com/) - it's what's currently preventing me from making the switch to vim.
Block interest in VIM gets you most of that functionality
I think the logo should have the comma as the dot after delim instead of above the i.
I like this ... easy to use, provides a quick solution for a quick problem