# Boolean function

**URL:** https://community.mp3tag.de/t/boolean-function/8722
**Category:** Support
**Created:** [August 4, 2009, 5:53pm UTC](https://community.mp3tag.de/t/boolean-function/8722 "2009-08-04T17:53:08Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![masterp](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/m/d07c76/32.png) [@masterp](https://community.mp3tag.de/u/masterp)
#### Post date: [August 4, 2009, 5:53pm UTC](https://community.mp3tag.de/t/boolean-function/8722/1 "2009-08-04T17:53:08Z")

</div>

Is there any way of determining if a string contains a certain sequence of characters? I would like to use a boolean function similar to contain(string, charSequence) in a $if(x,y,z) function [if x is true, y is returned, otherwise z].

Thanks.

---

<div class="post-metadata">

### Author: ![DetlevD](https://community.mp3tag.de/user_avatar/community.mp3tag.de/detlevd/32/123_2.png) [@DetlevD](https://community.mp3tag.de/u/DetlevD)
#### Post date: [August 5, 2009, 1:34am UTC](https://community.mp3tag.de/t/boolean-function/8722/2 "2009-08-05T01:34:37Z")

</div>

> [@masterp](#):
>
> Is there any way of determining if a string contains a certain sequence of characters? I would like to use a boolean function similar to contain(string, charSequence) in a $if(x,y,z) function [if x is true, y is returned, otherwise z].Thanks.

You can find what you search there  
[https://docs.mp3tag.de/scripting](https://docs.mp3tag.de/scripting)

DD.20090805.0535.CEST

---

<div class="post-metadata">

### Author: ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)
#### Post date: [February 9, 2026, 12:21pm UTC](https://community.mp3tag.de/t/boolean-function/8722/3 "2026-02-09T12:21:41Z")

</div>