Using VPLUS: An Introduction to Forms Design (32209-90004)

4-13
Figure 4-7. Field Menu for ZIP in the ORDER Form
Use Pattern Matches
Now you should be at the Field Menu for the field, ZIP.
Action
Press FIELD TOGGLE. Type MATCH ddddd[-dddd] in the lower menu, as shown
in Figure 4-7. Press ENTER.
Here you use a pattern match to make sure that any entered zip code is
five digits with, optionally, four more digits with a hyphen between the
fifth and sixth digit.