Batch renamer using a spreadsheet
Supports bones and shape keys, vertex groups.
You can restore the original name even after renaming.
Useful for temporarily changing the original name of "〇〇_ LEFT_✕✕" to something like "〇〇_✕✕_L" to a working name that the bone's X-axis mirror corresponds to.
3D View > Side Bar(N) > Addons > Spreadsheet Batch Renamer