# Help needed to contruct the proper filter

**URL:** <https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067>\
**Category:** Support\
**Created:** [February 14, 2023, 4:25pm UTC](https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067 "2023-02-14T16:25:20Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![ragtag](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ragtag/32/13146_2.png) [@ragtag](https://community.mp3tag.de/u/ragtag)\
**Post date:** [February 14, 2023, 4:25pm UTC](https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067/1 "2023-02-14T16:25:20Z")

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Hello Everyone,

After trying to construct various F3-filters, I find myself quite incapable of figuring out how to construct the filter for this particular instance:

1. Album Name~CD4

2. Album Name~.~CD4

_The aforesaid "~" represents a space. Note the DOT in-between._

The albums, presently named according to format (1.), are to be changed to name format (2.)

How do I set up a filter, with which to present a list of only those albums named according to format (1.)? The combinations of filters I have constructed, and tested, all end up locating and loading both album name formats (1.) and (2.), plus others. Following are but two examples:

album HAS "~CD" NOT album HAS "~.~CD"

album HAS "~CD\*" NOT album HAS "~.~CD\*"

_The aforesaid "~" represents a space. Note the DOT in-between._

Please, show me how to build the proper filter for this job?

Thank you.

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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:** [February 14, 2023, 4:29pm UTC](https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067/2 "2023-02-14T16:29:21Z")

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> [@ragtag](#):
>
> album HAS "~CD" NOT album HAS "~.~CD"

Should be:  
`%album% HAS "~CD" AND NOT %album% HAS "~.~CD"`

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<div class="post-metadata">

**Author:** ![ragtag](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ragtag/32/13146_2.png) [@ragtag](https://community.mp3tag.de/u/ragtag)\
**Post date:** [February 14, 2023, 4:45pm UTC](https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067/3 "2023-02-14T16:45:36Z")

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> [@ohrenkino](#):
>
> AND

Thank you, @ohrenkino.

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [March 16, 2023, 4:46pm UTC](https://community.mp3tag.de/t/help-needed-to-contruct-the-proper-filter/60067/4 "2023-03-16T16:46:15Z")

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