# extract from a comment
**URL:** https://community.mp3tag.de/t/extract-from-a-comment/11745
**Category:** Support
**Created:** [March 18, 2011, 10:52am UTC](https://community.mp3tag.de/t/extract-from-a-comment/11745 "2011-03-18T10:52:31Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@SpongeBob123](https://community.mp3tag.de/u/SpongeBob123)
#### Post date: [March 18, 2011, 10:52am UTC](https://community.mp3tag.de/t/extract-from-a-comment/11745/1 "2011-03-18T10:52:31Z")
Hi,
How to extract some caracters from a field?
for example in comment i have "6A - 128"
and i wanted to copy 6A in key and 128 in BPM
I tried for hours without succes.
Any idea?
Thx a lot
---
### Author:  [@SpongeBob123](https://community.mp3tag.de/u/SpongeBob123)
#### Post date: [March 18, 2011, 12:24pm UTC](https://community.mp3tag.de/t/extract-from-a-comment/11745/2 "2011-03-18T12:24:28Z")
I finally succed by making 2 copy and using ^.{5}and .{5}$
---
### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [March 18, 2011, 3:14pm UTC](https://community.mp3tag.de/t/extract-from-a-comment/11745/3 "2011-03-18T15:14:28Z")
> [@SpongeBob123](#):
>
> I finally succed by making 2 copy and using ^.{5}and .{5}$
you could create an action of the type
guess value
for comment
and enter a mask like this:
%key% - %bpm%
---
### Author:  [@system](https://community.mp3tag.de/u/system)
#### Post date: [February 9, 2026, 12:22pm UTC](https://community.mp3tag.de/t/extract-from-a-comment/11745/4 "2026-02-09T12:22:59Z")