Constraint 3 letters, 5 numbers in order

I am trying to write a constraint in an XLS form for a survey which allows
3 letters, then 5 numbers, i.e. ABC12345.
I have gotten to allowing 3 letters and 5 numbers, but it does not require
them to be in the correct order (i.e. A1B2C345) with the following code: .
= regex ( ., "^[A-Z,0-9]{8}$")
How do I write the constraint so that all letters must be first, followed
by numbers?

Thank you!
Megan

[A-Z]{3}[0-9]{5}

··· From: Megan Sent: Friday, August 01, 2014 10:52 AM To: opendatakit@googlegroups.com Subject: [ODK Community] Constraint 3 letters, 5 numbers in order

I am trying to write a constraint in an XLS form for a survey which allows 3 letters, then 5 numbers, i.e. ABC12345.
I have gotten to allowing 3 letters and 5 numbers, but it does not require them to be in the correct order (i.e. A1B2C345) with the following code: . = regex ( ., "^[A-Z,0-9]{8}$")

How do I write the constraint so that all letters must be first, followed by numbers?

Thank you!
Megan

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Hi megan
Did you find the solution !! If yes could you help me i need it 2 ...

Regrads,

khamash

··· On Friday, August 1, 2014 6:52:38 PM UTC+2, Megan wrote: > > I am trying to write a constraint in an XLS form for a survey which allows > 3 letters, then 5 numbers, i.e. ABC12345. > I have gotten to allowing 3 letters and 5 numbers, but it does not require > them to be in the correct order (i.e. A1B2C345) with the following code: . > = regex ( ., "^[A-Z,0-9]{8}$") > How do I write the constraint so that all letters must be first, followed > by numbers? > > Thank you! > Megan > >

Hi Khamash,

Yes, William responded with the following which worked: [A-Z]{3}[0-9]{5}

Best,
Megan

··· On Wed, Oct 22, 2014 at 4:02 AM, abdallah khamash wrote:

Hi megan
Did you find the solution !! If yes could you help me i need it 2 ...

Regrads,

khamash

On Friday, August 1, 2014 6:52:38 PM UTC+2, Megan wrote:

I am trying to write a constraint in an XLS form for a survey which
allows 3 letters, then 5 numbers, i.e. ABC12345.
I have gotten to allowing 3 letters and 5 numbers, but it does not
require them to be in the correct order (i.e. A1B2C345) with the following
code: . = regex ( ., "^[A-Z,0-9]{8}$")
How do I write the constraint so that all letters must be first, followed
by numbers?

Thank you!
Megan

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