{
  "category": "Mediation",
  "name": "addHeader",
  "displayName": "Add Header",
  "description": "With this policy, user can add a new header to the request",
  "multipleAllowed": true,
  "policyAttributes": [
    {
      "name": "headerName",
      "displayName": "Header Name",
      "description": "Name of the header to be added",
      "validationRegex": "^([a-zA-Z_][a-zA-Z\\d_\\-\\ ]*)$",
      "type": "String",
      "required": true
    },
    {
      "name": "headerValue",
      "displayName": "Header Value",
      "description": "Value of the header",
      "validationRegex": "^([a-zA-Z_][a-zA-Z\\d_\\-\\ ]*)$",
      "type": "String",
      "required": true
    }
  ],
  "applicableFlows": [
    "request",
    "response",
    "fault"
  ],
  "supportedGateways": [
    "Synapse"
  ],
  "supportedApiTypes": [
    "REST"
  ]
}
{
  "category": "Mediation",
  "name": "addHeader",
  "displayName": "Add Header",
  "description": "With this policy, user can add a new header to the request",
  "multipleAllowed": true,
  "policyAttributes": [
    {
      "name": "headerName",
      "displayName": "Header Name",
      "description": "Name of the header to be added",
      "validationRegex": "^([a-zA-Z_][a-zA-Z\\d_\\-\\ ]*)$",
      "type": "String",
      "required": true
    },
    {
      "name": "headerValue",
      "displayName": "Header Value",
      "description": "Value of the header",
      "validationRegex": "^([a-zA-Z\\d_][a-zA-Z\\d_\\-\\ ]*)$",
      "type": "String",
      "required": true
    }
  ],
  "applicableFlows": [
    "request",
    "response",
    "fault"
  ],
  "supportedGateways": [
    "Synapse"
  ],
  "supportedApiTypes": [
    "REST"
  ]
}
Fix Add Header policy related header value validation regex
Fix Add Header policy related header value validation regex
