Cleaning up duplicated text inside artist tag

[ohrenkino]

You could check out this thread:

Merging several Tag Fields into CONTENTGROUP

To be specific: it matches adjacent duplicate comma-delimited items. This limitation determines the need of a new approach to the subject. I think I've come up with the right one: Edit: It is not the right one, actually. See below posts. Action: Replace with regular expression Field: {comma- or comma+space- delimited list} Regular expression: (?<=,|\A) ?([^,]*),(?=.*?(?<=,) ?\1(?=,|\z)) Replace matches with: It's case-insensitive by default (i.e. will also delete items which differ from …