Hi ODK community,
I would like to add a constraint to one of the fields, to be able to enter only one letter and up to 3 numbers, same as (A1 or B30), could anybody help me with that?
Thanks,
Ezzat
Hi ODK community,
I would like to add a constraint to one of the fields, to be able to enter only one letter and up to 3 numbers, same as (A1 or B30), could anybody help me with that?
Thanks,
Ezzat