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Only numbers and comma's allowed as input in a modern textinput control.

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Posted on by Steven | TIMI365

Hello,

I have a modern form in PowerApps (frmTijd) that contains several modern text input fields. I want to restrict these fields to allow only numbers. Since I live in Europe, the decimal separator should be a comma, not a point.

I've been struggling with this all afternoon and would appreciate any help.

Regards,
Steven

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Building Power Apps

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YordiVN 12 on at

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Dear Steven,

By default the modern form will choose a text input field.

You can manually replace the modern text input field by a modern number input field and change the properties accordingly.

You can also change the content language to "nl-be", unfortunately I noticed that the modern controls doesn't replace the dot with a comma yet.

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enriqueglopez 503 Moderator on at

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To save you time that I've already invested in this, I'm afraid this is not possible at this moment in Power Apps Canvas.

I've faced the same problem as you, the 'workaround' I made was showing a label with the input value formatted in real time, just for the User Experience.

I've tried updating the value property when the OnChange property is triggered, but didn't work. Also, you will find different format (commas or dots) depending on the browser language of the user that is using the app, which make this even harder.

I strongly recommend to you to use my approach.

If you found this helpful, please, mark my answer as solution.
Have a nice day

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mmbr1606 14,605 Super User 2025 Season 2 on at

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please do yourself a treat and stop using modern controls as of now.

they are more buggy than helpful and there are no real solutions to most of the problems

cheeers

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