[
 {
  "op": "add",
  "path": "/properties/InstanceSnapshotName/pattern",
  "value": "^\\w[\\w\\-]*\\w$"
 },
 {
  "op": "add",
  "path": "/properties/InstanceName/pattern",
  "value": "^\\w[\\w\\-]*\\w$"
 }
]
