# Take Part of Filename and Copy it to a Field

**URL:** https://community.mp3tag.de/t/take-part-of-filename-and-copy-it-to-a-field/61477
**Category:** Support
**Created:** [July 5, 2023, 10:35pm UTC](https://community.mp3tag.de/t/take-part-of-filename-and-copy-it-to-a-field/61477 "2023-07-05T22:35:12Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![LyricsLover](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/l/c6cbf5/32.png) [@LyricsLover](https://community.mp3tag.de/u/LyricsLover)
#### Post date: [July 6, 2023, 6:58am UTC](https://community.mp3tag.de/t/take-part-of-filename-and-copy-it-to-a-field/61477/5 "2023-07-06T06:58:47Z")

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> [@ohrenkino](#):
>
> Could it be that the hyphen is not really a hyphen but something else?

@Andacar If you want to quick test your filename for special (unicode) characters, you can copy & paste it in the Input text box here and press "Identify":  
[https://www.babelstone.co.uk/Unicode/whatisit.html](https://www.babelstone.co.uk/Unicode/whatisit.html)  
Then you can check in the result box, if one of the text characters is not the one you used in the format string.  
For example if your hyphen is not the usual  
`U+002D : HYPHEN-MINUS {hyphen, dash; minus sign}`  
or your space is not the usual  
`U+0020 : SPACE`  
or your underscore ist not the usual  
`U+005F : LOW LINE`  
Sometimes even "normal" characters looks like A to Z but are Unicode characters like the Russian ([Cyrillic](https://en.wikipedia.org/wiki/Cyrillic_script_in_Unicode#Table_of_characters)) letters А or В

 ![image](https://community.mp3tag.de/uploads/default/original/2X/b/bd858ea7c2cfb28ad461560d7e3b848c5af3dbfa.png)

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