# Cleaning up duplicated text inside artist tag

**URL:** https://community.mp3tag.de/t/cleaning-up-duplicated-text-inside-artist-tag/41881
**Category:** Support
**Created:** [June 4, 2018, 9:44am UTC](https://community.mp3tag.de/t/cleaning-up-duplicated-text-inside-artist-tag/41881 "2018-06-04T09:44:51Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [June 4, 2018, 9:55am UTC](https://community.mp3tag.de/t/cleaning-up-duplicated-text-inside-artist-tag/41881/2 "2018-06-04T09:55:24Z")

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You could check out this thread:

> [@Merging several Tag Fields into CONTENTGROUP](https://community.mp3tag.de/t/merging-several-tag-fields-into-contentgroup/10616/5):
>
> 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 …

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