You can configure the URL properties to provide custom validation by using view mapping to override the default property editors.
The site base and alternative URLs implement client-side URL form validation, ensuring that the URL:
Starts with a
/(forward slash) character as a context URL, for example/site12.Contains characters after the last
.(dot) in the URL, such aswww.site12.com.Does not start with the
http://protocol.
The URLPropertyValidator.as class implements the atg.assetmanager.editor. interface.
view.property.validate.PropertyValidator

