# Preview is changing casing of @ mentions

**URL:** https://meta.discourse.org/t/preview-is-changing-casing-of-mentions/30007
**Category:** Bug
**Created:** [14 Junho , 2015 23:41 UTC](https://meta.discourse.org/t/preview-is-changing-casing-of-mentions/30007 "2015-06-14T23:41:24Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)
#### Post date: [14 Junho , 2015 23:41 UTC](https://meta.discourse.org/t/preview-is-changing-casing-of-mentions/30007/1 "2015-06-14T23:41:24Z")

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New @mention matcher is always lower casing usernames in preview. (baked is unaffected)

So:

@sam @Sam @SAM

looks like

`@sam @sam @sam`

in preview.

This is particularly problematic for usernames with upper case letters like `DeFUCC` etc.

cc @eviltrout

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### Author: ![eviltrout](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/eviltrout/32/5275_2.png) [@eviltrout](https://meta.discourse.org/u/eviltrout)
#### Post date: [15 Junho , 2015 14:58 UTC](https://meta.discourse.org/t/preview-is-changing-casing-of-mentions/30007/2 "2015-06-15T14:58:44Z")

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Fixed here:

[https://github.com/discourse/discourse/commit/e4085a64ce875399cf3b3d86eb93a880fba61f32](https://github.com/discourse/discourse/commit/e4085a64ce875399cf3b3d86eb93a880fba61f32)

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<div class="post-metadata">

### Author: ![eviltrout](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/eviltrout/32/5275_2.png) [@eviltrout](https://meta.discourse.org/u/eviltrout)
#### Post date: [15 Junho , 2015 14:58 UTC](https://meta.discourse.org/t/preview-is-changing-casing-of-mentions/30007/3 "2015-06-15T14:58:46Z")

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