Validating zip code
The code will use a regular expression pattern checker (also known as Reg Ex) to determine if the answer has the appropriate number of digits.
If it doesn't, it will display an error message that says, "Please revise your five-digit Zip Code" and won't allow the respondent to submit the page until it has been corrected.
This will display the postal code of the selected location from Netherlands on Google map.
Note that the postal code may be searched with nearby approximation.
First, you will want to compose an open-ended question. Then, on the Settings tab Entry Settings, check the "Require Response" check box, restrict the maximum and minimum number of characters to 5 and set the size of the input box (width) to about 36 pixels.
Next, click the "Advanced..." button to change the Advanced Settings.
However, ZIP codes actually correspond to mail delivery paths rather than specific geographic locations, so there are many unusual cases including ZIP codes that cross state boundaries or that service military vessels, specific corporate buildings, or P.
Loading the complete database at the client side might be difficult and non-optimal.Most checks are pretty straighforward, but there are some additional options that are explained below.Validating zip codes at the client side can be useful on web pages with address forms. It would be great for the user if we could provide some kind of basic immediate validation to inform them of a possible error in their data entry.This is an online tool (Mashup) to search postal code of a place, address or city in Netherlands.Select the name of the Place/Address/City (in Netherlands) from the suggested list.