-------------------------------------------------------------------------------------
{"code" : {
  "system" : "urn:iso:std:iso:3166",
  "code" : "[A-Z]{3}"
}, "valueSet" :null, "langs":"en, en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "activeOnly":"false", "membershipOnly":"false", "displayWarningMode":"false", "versionFlexible":"true", "profile": {
  "resourceType" : "Parameters",
  "parameter" : [{
    "name" : "x-system-cache-id",
    "valueString" : "dc8fd4bc-091a-424a-8a3b-6198ef146891"
  },
  {
    "name" : "defaultDisplayLanguage",
    "valueCode" : "en-US"
  }]
}}####
v: {
  "code" : "[A-Z]{3}",
  "system" : "urn:iso:std:iso:3166",
  "severity" : "error",
  "error" : "Unknown code '[A-Z]{3}' in the CodeSystem 'urn:iso:std:iso:3166' version '2018'",
  "class" : "UNKNOWN",
  "server" : "https://tx.fhir.org/r5",
  "diagnostics" : "0 0 : start\r\n0 0: tx-op\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Analysing\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Parameters: disp-lang=en, en-US, default-to-latest\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Validate \"[urn:iso:std:iso:3166#[A-Z]{3} (\"\")]\"\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Check \"urn:iso:std:iso:3166#[A-Z]{3}\"\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Using CodeSystem \"urn:iso:std:iso:3166|2018\" (content = complete)\r\n",
  "unknown-systems" : "",
  "issues" : {
  "resourceType" : "OperationOutcome",
  "issue" : [{
    "extension" : [{
      "url" : "http://hl7.org/fhir/StructureDefinition/operationoutcome-message-id",
      "valueString" : "Unknown_Code_in_Version"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/operationoutcome-issue-server",
      "valueUrl" : "https://tx.fhir.org/r5"
    }],
    "severity" : "error",
    "code" : "code-invalid",
    "details" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/tools/CodeSystem/tx-issue-type",
        "code" : "invalid-code"
      }],
      "text" : "Unknown code '[A-Z]{3}' in the CodeSystem 'urn:iso:std:iso:3166' version '2018'"
    },
    "location" : ["Coding.code"],
    "expression" : ["Coding.code"]
  }]
}

}
-------------------------------------------------------------------------------------
{"code" : {
  "system" : "urn:iso:std:iso:3166",
  "code" : "[A-Z]{2}"
}, "valueSet" :null, "langs":"en, en-US", "useServer":"true", "useClient":"true", "guessSystem":"false", "activeOnly":"false", "membershipOnly":"false", "displayWarningMode":"false", "versionFlexible":"true", "profile": {
  "resourceType" : "Parameters",
  "parameter" : [{
    "name" : "x-system-cache-id",
    "valueString" : "dc8fd4bc-091a-424a-8a3b-6198ef146891"
  },
  {
    "name" : "defaultDisplayLanguage",
    "valueCode" : "en-US"
  }]
}}####
v: {
  "code" : "[A-Z]{2}",
  "system" : "urn:iso:std:iso:3166",
  "severity" : "error",
  "error" : "Unknown code '[A-Z]2018' in the CodeSystem 'urn:iso:std:iso:3166' version '2018'",
  "class" : "UNKNOWN",
  "server" : "https://tx.fhir.org/r5",
  "diagnostics" : "0 0 : start\r\n0 0: tx-op\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Analysing\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Parameters: disp-lang=en, en-US, default-to-latest\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Validate \"[urn:iso:std:iso:3166#[A-Z]{2} (\"\")]\"\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Check \"urn:iso:std:iso:3166#[A-Z]{2}\"\r\n0 0: 0ms http://hl7.org/fhir/ValueSet/@all: Using CodeSystem \"urn:iso:std:iso:3166|2018\" (content = complete)\r\n",
  "unknown-systems" : "",
  "issues" : {
  "resourceType" : "OperationOutcome",
  "issue" : [{
    "extension" : [{
      "url" : "http://hl7.org/fhir/StructureDefinition/operationoutcome-message-id",
      "valueString" : "Unknown_Code_in_Version"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/operationoutcome-issue-server",
      "valueUrl" : "https://tx.fhir.org/r5"
    }],
    "severity" : "error",
    "code" : "code-invalid",
    "details" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/tools/CodeSystem/tx-issue-type",
        "code" : "invalid-code"
      }],
      "text" : "Unknown code '[A-Z]2018' in the CodeSystem 'urn:iso:std:iso:3166' version '2018'"
    },
    "location" : ["Coding.code"],
    "expression" : ["Coding.code"]
  }]
}

}
-------------------------------------------------------------------------------------