# Check Revise My Filter, Please

**URL:** https://community.mp3tag.de/t/check-revise-my-filter-please/70397
**Category:** Support
**Created:** [December 22, 2025, 2:26pm UTC](https://community.mp3tag.de/t/check-revise-my-filter-please/70397 "2025-12-22T14:26:03Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![ragtag](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ragtag/32/13146_2.png) [@ragtag](https://community.mp3tag.de/u/ragtag)
#### Post date: [December 22, 2025, 3:06pm UTC](https://community.mp3tag.de/t/check-revise-my-filter-please/70397/5 "2025-12-22T15:06:19Z")

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@LyricsLover

> `%discnumber% IS 1 AND NOT %_filename% MATCHES (\d+\-\d+)`

> It this one does not match for your filenames, please provide real existing file names from your collection.

It matches, thank you.

> (I assume this is a follow-up question to the [Assistance Needed to Rename Files More Efficiently](https://community.mp3tag.de/t/assistance-needed-to-rename-files-more-efficiently/70354) thread?)

I am now knee-deep into it, so I am constantly trying to improve efficiency.

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