Hi There!
I want to ask people about their age and want them to be able to enter only two numbers such as 12 or 56 or 30 or 99. How do I do that?
type integer with constraint . > 9 and . < 100
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Thanks. Please where do I type it?
Would you mind to read some basic introduction articles in the help center, please, e.g. https://support.kobotoolbox.org/validation_criteria.html
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