# Special characters substitute mapping to filename from "tag to filename" convert

**URL:** https://community.mp3tag.de/t/special-characters-substitute-mapping-to-filename-from-tag-to-filename-convert/49860
**Category:** Support
**Created:** [August 9, 2020, 4:46am UTC](https://community.mp3tag.de/t/special-characters-substitute-mapping-to-filename-from-tag-to-filename-convert/49860 "2020-08-09T04:46:00Z")
**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: [August 9, 2020, 8:38am UTC](https://community.mp3tag.de/t/special-characters-substitute-mapping-to-filename-from-tag-to-filename-convert/49860/2 "2020-08-09T08:38:21Z")

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There is the function $validate()  
(see the help: [Scripting Functions – Mp3tag Documentation](https://docs.mp3tag.de/scripting))  
but please note the `\` is a valid character to create folder structures, see the HowTos:  
[Converters to rename files or to import tags - #2 by Florian](https://community.mp3tag.de/t/converters-to-rename-files-or-to-import-tags/8016/2)

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