Indeed, I want to limit certain value entry to 2 digits for certain, and 09 digits for telephone numbers. I followed the method, but I do not get convincing results. What is the problem? I attach the form with the parties concerned Test 7.xlsx (23.6 KB)

Hi @esy_cari2020 , Regarding your first query: [image] esy_cari2020: I want to limit certain value entry to 2 digits … Your xlsform wishes to restrict to 5 but you have stated 2 here. However you could do this as follows: To restrict an entry to 5 digits: regex(., '^[0-9]{5}$') To restric…

The regex function does not work in my form

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wroos March 9, 2021, 9:56am 5

Hello,
Integer type in KoBo is generally limited to 9 digits.

Restrict for Entering 10, 13 OR 17 digit number only