Improve Windchill error message for match with regular expression pattern

[NicolasB.]

When defining a constraint "Regular Expression" on an IBA:

In case the user does not respect the pattern, the error message is very complex to understood since it simply expose the raw regular expression:

This request is to improve this error message into a more intelligible sentence.

[zjin-2]

I have the same request.  Is it possible that we can provide a custom error message for each constraint which we create?

Thanks.