This plugin does not work anymore because Figma Plus was discontinued. Once Figma releases their official extensions API, I will migrate this plugin to work there. Sorry for the inconvenience.
Figma Advanced Rename Plugin
A better and more powerful batch rename plugin for Figma. Provides a dozen of options (thanks to Sketch Renamer)
How to install
Can be installed from (Figma Plugins Manager).
How to use
Select 2 or more layers, right click and select 'Advanced Rename'.