Freebie: Interactive Universal Renamer for 3ds Max
Christoph Bülter 3D, the author of this script says, “A useful tool for maintaining name conventions in a complex Rig or scene, as well as quick file renaming, e.g. for numbering image sequences for import to Adobe Flash etc. Hope you like it!”
The version shown in the video is older but it should give you a general idea on how it works.
Posted by Michele Yamazaki