This plugin takes selected text and duplicates it N times, individually incrementing all the numbers found within. It does not preserve 0 padding (e.g. test0001.jpg -> test2.jpg). If you're insterested in this feature, please open an issue.
GitLab: https://git.xvrqt.com/amy/duplicate-and-increment
super + shift + alt + v
Opens a text prompt at the bottom of the screen asking how many times you would like to duplicate the section.
super + shift + ctrl + v
Duplicates the selected region 1 time. Does not ask for input.