fling/src/main/resources/apps/fling/validation/form/comment.json

{
  "jcr:primaryType": "nt:unstructured",
  "sling:resourceType": "sling/validation/model",
  "applicablePaths": [
    "/content/fling/"
  ],
  "validatingResourceType": "fling/form/comment",
  "properties": {
    "jcr:primaryType": "nt:unstructured",
    "name": {
      "jcr:primaryType": "nt:unstructured",
      "propertyType": "string",
      "validators": {
        "jcr:primaryType": "nt:unstructured",
        "org.apache.sling.validation.core.RegexValidator": {
          "jcr:primaryType": "nt:unstructured",
          "validatorArguments": ["regex=^\\p{L}+$"]
        }
      }
    },
    "comment": {
      "jcr:primaryType": "nt:unstructured",
      "propertyType": "string",
      "validators": {
        "jcr:primaryType": "nt:unstructured",
        "org.apache.sling.samples.fling.validation.CommentValidator": {
          "jcr:primaryType": "nt:unstructured",
          "validatorArguments": ["comment=I love Apache Sling!"]
        },
        "org.apache.sling.validation.core.RegexValidator": {
          "jcr:primaryType": "nt:unstructured",
          "validatorArguments": ["regex=^\\D*$"]
        }
      }
    }
  }
}