# ✏ Detect duplicate text of username

**URL:** <https://community.glideapps.com/t/detect-duplicate-text-of-username/1718>\
**Category:** Ask for Help\
**Created:** [November 6, 2019, 1:12am UTC](https://community.glideapps.com/t/detect-duplicate-text-of-username/1718 "2019-11-06T01:12:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Xann](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/xann/32/39474_2.png) [@Xann](https://community.glideapps.com/u/Xann)\
**Post date:** [November 6, 2019, 1:12am UTC](https://community.glideapps.com/t/detect-duplicate-text-of-username/1718/1 "2019-11-06T01:12:01Z")

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Can you make it so that users can pick a username and the app can tell if that username is already in use? (If then statements) Then can you make it so the person can only edit their username once after creating it? This is all within profiles of the FInstagram template.

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**Author:** ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)\
**Post date:** [November 7, 2019, 2:35am UTC](https://community.glideapps.com/t/detect-duplicate-text-of-username/1718/2 "2019-11-07T02:35:00Z")

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Not currently, but it would be a nice feature.

> [@Duplicate Validation in Form Input](https://community.glideapps.com/t/duplicate-validation-in-form-input/1593):
>
> Is there a way to check if a form input (eg. Phone No) already exists and shows an error message to the user and not let them submit the form?