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Condition only number to be typed

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Posted on by rohitsekar1996

Hi Everyone,

I have textbox were users are allowed to type only numbers. No texts, and special characters allowed so when user types any letter or Special characters I want to show users a notification that only numbers are allowed. To achieve above condition I have created a label with Text "Only numbers are allowed" but I want formula so I cant add the Condition in Visible property of Label to notify the users. Is there a way to achieve this.

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Drrickryp Super User 2024 Season 1 on at

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Hi @rohitsekar1996

You could set the Format property of the control to TextFormat.Number and put "This box only accepts numbers" in the hint text. It will accept both integers and decimals. As an alternative, I would recommend the Slider control. You can set the number limit for Default, Min and Max. My preference is to give users as few options for entering data as possible, To see more about the slider,

ref https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/controls/control-slider

For a discussion regarding the TextInput control and limiting it to integers only see https://powerusers.microsoft.com/t5/Building-Power-Apps/Forcing-Integer-input-for-a-Text-Input-Control/td-p/293945

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v-yutliu-msft Microsoft Employee on at

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Hi @rohitsekar1996 ,

Do you want to validate whether data in a textinput only has number?

If so, I suggest you use IsMatch function, which could justify whether data meet the format that you want.

I've made a similar test for your reference:

1)insert a textinput for entering data

2)insert a label to display "Only numbers are allowed" when not meeting requirement

set the label's Text:

"Only numbers are allowed"

set the label's Visible:

!IsMatch(TextInput1.Text,"[0-9]+")&&!IsBlank(TextInput1.Text) //[0-9] means only allows number + means zore to more

Then if you enter texts or special characters, the text will display.

3)insert a button to submit data.

Set the submit button's OnSelect:

If(!IsMatch(TextInput1.Text,"[0-9]+"), Notify("Only numbers are allowed",NotificationType.Warning), Patch(....) )

//when not meet requirement, you will not submit data and get a notification.

Best regards,

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