# Filename remove double string

**URL:** <https://community.mp3tag.de/t/filename-remove-double-string/62017>\
**Category:** Support\
**Created:** [September 1, 2023, 5:58pm UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017 "2023-09-01T17:58:52Z")\
**Posts on this page:** 6\
**Page:** 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:** [September 3, 2023, 7:38am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/22 "2023-09-03T07:38:13Z")

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> [@djfrankjoy](#):
>
> how can i check that ?

Press Alt-T to open the extended tags dialogue.  
That shows you all editable tag fields in a file.

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**Author:** ![djfrankjoy](https://community.mp3tag.de/user_avatar/community.mp3tag.de/djfrankjoy/32/14735_2.png) [@djfrankjoy](https://community.mp3tag.de/u/djfrankjoy)\
**Post date:** [September 3, 2023, 7:48am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/24 "2023-09-03T07:48:33Z")

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perfect, i found it  
i dont know if this could be extractet to a new fileneme written from tags as you described  
 ![grafik](https://community.mp3tag.de/uploads/default/original/2X/8/8ef3862d80775d08f76fa188793b29d1e182cd05.png)

unknown| track-17852631

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<div class="post-metadata">

**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:** [September 3, 2023, 7:55am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/25 "2023-09-03T07:55:24Z")

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I am a little puzzled about the square in front of the word "track" - this looks like a character that cannot be displayed. Which one is it?  
@LyricsLover linked a page for you so that you can investigate which character that is.  
To get only the number in the Converter\>Tag-Filename try  
Format string: `%artist%_$regexp(%uniquefileid%,.*?-(\d+),$1)`

Edit: found it: it is Character 3, end\_of\_text ... something that should not appear in such a field.

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<div class="post-metadata">

**Author:** ![djfrankjoy](https://community.mp3tag.de/user_avatar/community.mp3tag.de/djfrankjoy/32/14735_2.png) [@djfrankjoy](https://community.mp3tag.de/u/djfrankjoy)\
**Post date:** [September 3, 2023, 8:29am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/26 "2023-09-03T08:29:55Z")

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1.how can i add this correcct field to the tags field ?

the convert from tag to filename works  
with this:  
`%title%_$regexp(%uniquefileid%,.*?-(\d+),$1)`  
2.which command is that to use tag to filname in actions ?

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<div class="post-metadata">

**Author:** ![LyricsLover](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/l/c6cbf5/32.png) [@LyricsLover](https://community.mp3tag.de/u/LyricsLover)\
**Post date:** [September 3, 2023, 8:49am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/27 "2023-09-03T08:49:52Z")

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> [@djfrankjoy](#):
>
> 1.how can i add this correcct field to the tags field ?

Convert Tag -\> Tag

> [@djfrankjoy](#):
>
> 2.which command is that to use tag to filname in actions ?

The same command as you used it [here](https://community.mp3tag.de/t/filename-remove-double-string/62017/16).

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<div class="post-metadata">

**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [October 3, 2023, 8:50am UTC](https://community.mp3tag.de/t/filename-remove-double-string/62017/28 "2023-10-03T08:50:00Z")

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