# How does permalink normalization with regex work?

**URL:** <https://meta.discourse.org/t/how-does-permalink-normalization-with-regex-work/354671>\
**Category:** Product Support\
**Created:** [February 26, 2025, 5:36pm UTC](https://meta.discourse.org/t/how-does-permalink-normalization-with-regex-work/354671 "2025-02-26T17:36:46Z")\
**Posts on this page:** 1\
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**Author:** ![lilstranded](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/lilstranded/32/490372_2.png) [@lilstranded](https://meta.discourse.org/u/lilstranded)\
**Post date:** [March 11, 2025, 6:37pm UTC](https://meta.discourse.org/t/how-does-permalink-normalization-with-regex-work/354671/4 "2025-03-11T18:37:10Z")

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> [@SubStrider](#):
>
> `/threads\/[^.]+\.([0-9]+)\/?/threads/\1`

Hey, im in the same situation and this worked for me! 🍻

But when the URL (xenforo URL) has inner pages like for example"[https://website](https://website)[.]com/threads/thread-slug/ **page-3**" then again ill get the " Oops! That page doesn’t exist or is private." error page. Any fix for this?

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