How to force user to enter the digits at the end of a string only

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Posted on by garga

Hi All,

I have a requirement where i need to force user to enter the digits(if required) at the end of the string only.

e.g.

Test - Allowed

Test12 - Allowed

Test.Test - Allowed

Test.Test12 - Allowed

Test12.Test - Not Allowed

Test.12Test - Not Allowed

12Test - Not Allowed

Te12st - Not Allowed

Is there a way i can achieve this validation?

Thanks

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MVP-Phipps 3,521 Super User 2024 Season 1 on at

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The only way I can think of doing this is by using the Match or IsMatch function within an if statement. Please refer to this documentation: https://docs.microsoft.com/en-us/power-apps/maker/canvas-apps/functions/function-ismatch

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Ashwin7104 671 on at

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Hey @garga ,

The below code is not the prettiest one but it works ! Please replace TextInput5 with your control

If( !IsNumeric(TextInput5.Text), If( IsNumeric( Right( TextInput5.Text, 1 ) ), "ok", IsMatch( TextInput5.Text, "[a-zA-Z._^%$#!~@,-]+" ), "ok", "Not ok" ) )

If this post helped you, please click on “Accept as Solution” to help other members find it more quickly. If you thought this post was helpful, please give it a Thumbs Up.

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MVP-Phipps 3,521 Super User 2024 Season 1 on at

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@Ashwin7104 IsMatch function with Regex, I was spot on then 👊

@garga you then use Notify function for OK or not ok

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garga 8 on at

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It worked for some cases but failed when i entered this text:

Te12st34

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garga 8 on at

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Thanks for the reply. I had to create regex for my specific case and i got it working.
IsMatch(TextInput1.Text,"([a-z]+)+(\d+)?$")

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