BannerSky is focused on WordPress development. We spend time creating and supporting plugins. Not only develop our own products but also do plugins according to your requirements.

Our plugins backed by brilliant support and you can get service from real human always.

Our purpose is try our best to become your trust provider in terms of specialty, quality, utility, cost, efficiency and service.

Validate age, checkbox, ZIP code

Under the below form we the following rules:

  • DOB field, requires age at least 18 years old.
  • Address - Zip field, only start with 44
  • Mobile phone filed, only start with 9, length must be 10, must be number
  • Terms & Conditions -- checkbox field, all checkbox options must be checked

  • MM slash DD slash YYYY
Purchase Gravity Forms Custom Validation Pro