# Minimize redundant information

**URL:** https://community.mp3tag.de/t/minimize-redundant-information/63648
**Category:** Support
**Created:** [February 1, 2024, 11:35am UTC](https://community.mp3tag.de/t/minimize-redundant-information/63648 "2024-02-01T11:35:31Z")
**Posts on this page:** 1
**Showing post:** 10

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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: [February 6, 2024, 10:59am UTC](https://community.mp3tag.de/t/minimize-redundant-information/63648/10 "2024-02-06T10:59:53Z")

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I would think instead of

> [@COPYRIGHT - eliminate redundancy](https://community.mp3tag.de/t/copyright-eliminate-redundancy/61494/3):
>
> `$regexp($reverse($regexp($regexp($reverse($regexp($regexp(%Genre%,'^(\s+;*|\s*;+)+|(\s+;*|\s*;+)+$|((?<=;)\s+)|(\s+(?=;))',),'^|,';')),'(;[^;]+)(?=(\1|;.*?\1))',),'^;+|;+,)),'(?<=;)',' ')`

Convert\>tag-Tag for DUPLICATEPERFORMER  
Format string:  
`$regexp($reverse($regexp($regexp($reverse($regexp($regexp(%DUPLICATEPERFORMER %,'^(\s+;*|\s*;+)+|(\s+;*|\s*;+)+$|((?<=;)\s+)|(\s+(?=;))',),'^|,';')),'(;[^;]+)(?=(\1|;.*?\1))',),'^;+|;+,)),'(?<=;)',' ')`

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_[View the full topic](https://community.mp3tag.de/t/minimize-redundant-information/63648)._