- `exact: "value"` for exact string match - `prefix: "value"` for prefix-based match - `regex: "value"` for RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax).' oneOf: - not: anyOf: - required: - exact - required: - prefix - required: - regex - required: - exact - required: - prefix - required: - regex properties: exact: type: string prefix: type: string regex: description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax). type: string type: object gateways:...

                          "filter_state": {
                           "key": "io.istio.peer_principal",
                           "string_match": {
                            "safe_regex": {
                             "regex": ".*/ns/test/.*"
                            }
                           }
                          }
                         }
                        ]
                       }