# Regex to fix year\\\\year and year\\\\year-month-day
**URL:** https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379
**Category:** Support
**Created:** [April 9, 2018, 12:26pm UTC](https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379 "2018-04-09T12:26:54Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Zifnab](https://community.mp3tag.de/u/Zifnab)
#### Post date: [April 9, 2018, 12:26pm UTC](https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379/1 "2018-04-09T12:26:54Z")
Hello:
A lot of my files have the year set as one of the following:
`1977\\1977`
`2009\\2009-10-12`
All I want is to have just the year, so the two examples here would have 1977 and 2009 as the year. I have tried all sorts of regex formulaes, and they either do nothing or clear everything.
thanks.
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### Author:  [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [April 9, 2018, 12:54pm UTC](https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379/2 "2018-04-09T12:54:20Z")
Hi and welcome š
It looks like the files have multiple year fields (you can inspect them individually via the extended tag dialog at Alt + T).
The easiest way to remove them is to use an action "Remove duplicate fields". See this topic for more on actions (in case it's needed).
> [@Actions and batch-operations](https://community.mp3tag.de/t/actions-and-batch-operations/967):
>
> Mp3tag provides a variety of actions, which can be applied to filenames and tags. The actions are grouped together into named sets (action groups), which can be applied independently via Alt + 6. If you do not want to create a reusable action group for applying one single action, the Actions (Quick) toolbar button or keyboard shortcut Shift + Alt + 6 can be used. How to [create a new action](https://community.mp3tag.de/t/actions/967/2)? How to ... [change upper/lower case of tag fields or filenames](https://community.mp3tag.de/t/actions/967/3)? [replace the string āxyzā in tag-fields ā¦](https://community.mp3tag.de/t/actions/967/4)
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### Author:  [@Zifnab](https://community.mp3tag.de/u/Zifnab)
#### Post date: [April 9, 2018, 1:10pm UTC](https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379/3 "2018-04-09T13:10:34Z")
Worked like a charm. Thank you very much Florian!
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### Author:  [@system](https://community.mp3tag.de/u/system)
#### Post date: [January 6, 2021, 6:50pm UTC](https://community.mp3tag.de/t/regex-to-fix-year-year-and-year-year-month-day/41379/5 "2021-01-06T18:50:57Z")
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