SuiteCRM Field: number of characters

Hello everybody,
is that possible to set up a field to have an exact number of characters?
i just found the configuration of the maximum number, but not the exact number of characters.
Thank you so much!
:cheer:

Not out of the box, no.

You’ll have to do some custom coding, inject your Javascript into the view and make it handle your requirement.

Here is a similar example to get you started:

Example of Injecting code into Edit view for validation
https://suitecrm.com/suitecrm/forum/developer-help/6921-viewedit-validation