Field data integrity for in app and therefore also webform data entry

While the field types are great for number, currency, email etc, it'd be great to have further data integrity options - eg for a number field, inputting a company ACN that it is limited to 9 digits and no commas, or things like capitalisation of first letters in name fields, or integrity of things like mobile phone number length or country code so we know any automation with say SMS will work without checking every record.  Same could be true for integrity of email fields - requiring @ , no spaces etc.

I know there are webform extensions for this, but we work mainly directly in app.