Kobotoolbox A number or text must be typed twice. If you do not type the same number twice, the entry will not be made. I want to implement such a system

[Dnes]

Hello @mdnurnabi

May be this post can help you out.

Validating Roll Numbers

Hi @anamikadutt, Welcome to the community! You could do the same by using constraint and constraint_message as outlined in the image below: In the survey tab of the xlsform: [image] Reference xlsform: Roll Number (constraint).xlsx (10.4 KB) HAVE a GREAT DAY!

Regards,

Dinesh Dongol