# Excluding %field% from an "\_ALL" action

**URL:** https://community.mp3tag.de/t/excluding-field-from-an-all-action/48993
**Category:** Support
**Created:** [May 18, 2020, 1:23pm UTC](https://community.mp3tag.de/t/excluding-field-from-an-all-action/48993 "2020-05-18T13:23:42Z")
**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: [May 18, 2020, 1:45pm UTC](https://community.mp3tag.de/t/excluding-field-from-an-all-action/48993/2 "2020-05-18T13:45:08Z")

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see e.g. here:

> [@Help with conditional and regex](https://community.mp3tag.de/t/help-with-conditional-and-regex/48632/):
>
> Hi Taggers, after I decided how to manage cover songs, I need a little help writing an Action. I am a \*nix user so I know some RegEx, but I need help with MP3tag syntax. If %title% equals to ".\*(.\* cover)$" then OriginalArtist=$2 ($2 should be the second .\* on the regex expression, right?) If OriginalArtist is not empty and %title% is not ".\*cover)$", then %title% = %title% + " (%OriginalArtist% Cover)" I'm trying to reach a "one touch" workflow: Use auto-numbering to add TrackNumber (n…

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_[View the full topic](https://community.mp3tag.de/t/excluding-field-from-an-all-action/48993)._