A numeric value can be formatted in many different ways under control of a pattern string.

The XpressDox Rule command can be used to validate a NINO in a template.   You have a template which needs to capture and use a NINO (National Insurance Number) as described in NIM39110 – National Insurance Numbers. You would like to make sure that the value captured in the...

Using the «Rule()» command the template author can make sure that data values entered by the user in the interview for a template are syntactically correct and to some extent that they are consistent with each other.

The Rule command can be included into many templates, and hard rules can be softened.