# What regex engine does mp3tag use?

**URL:** https://community.mp3tag.de/t/what-regex-engine-does-mp3tag-use/6109
**Category:** Support
**Created:** [January 21, 2008, 5:53pm UTC](https://community.mp3tag.de/t/what-regex-engine-does-mp3tag-use/6109 "2008-01-21T17:53:07Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![timmy2](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/t/43a26b/32.png) [@timmy2](https://community.mp3tag.de/u/timmy2)
#### Post date: [January 21, 2008, 5:53pm UTC](https://community.mp3tag.de/t/what-regex-engine-does-mp3tag-use/6109/1 "2008-01-21T17:53:07Z")

</div>

Please tell me the regex engine used in mp3tag? Given that I assume I can find out which expressions will work. Thank you!

---

<div class="post-metadata">

### Author: ![dano](https://community.mp3tag.de/user_avatar/community.mp3tag.de/dano/32/6_2.png) [@dano](https://community.mp3tag.de/u/dano)
#### Post date: [January 21, 2008, 9:01pm UTC](https://community.mp3tag.de/t/what-regex-engine-does-mp3tag-use/6109/2 "2008-01-21T21:01:45Z")

</div>

perl flavor to a large extent

---

<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, 12:20pm UTC](https://community.mp3tag.de/t/what-regex-engine-does-mp3tag-use/6109/3 "2026-02-09T12:20:44Z")

</div>