KoboToolbox, to allow a number to be entered in a specific 13-digit format

Hola, necesito aprender en KoboToolbox, como se hace para permitir que se ingrese un número con un formato específico de 13 dígitos

You may have a look at the Help Center articles, please,
and Restricting Text Responses With Regular Expressions — KoboToolbox documentation.

In addition, the famous search function of this forum will show you similar questions, e.g. Search results for 'number 13 digits' - KoboToolbox Community Forum.

1 Like

@sfranco92, regex-related discussions in the community forum as advised by @wroos.