Its possible to validate your US Postcodes using a regular expression.

  1. Drag and drop an question node onto the canvas. Specify the type as “text”
  2. Under “Advanced Options” select “Regex”
  3. Copy and paste this regular expression:

4. Under preview you can test by entering a US post code

5. To the right you will see either a red failure or green success icon under “Validation”

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