{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "bar": {
      "pattern": "(bar)+",
      "type": "string"
    },
    "foo": {
      "enum": [
        "foo1",
        "foo2"
      ],
      "type": "string"
    }
  },
  "type": "object"
}