Extract Metadata By Property Name Match Regex Leave feedback

# First get JSON Web Token
# Please get your Client Id and Client Secret from https://dashboard.groupdocs.cloud/applications. 
# Kindly place Client Id in client_id and Client Secret in "client_secret" argument.
curl -v "https://api.groupdocs.cloud/connect/token" \
-X POST \
-d "grant_type#client_credentials&client_id#xxxx&client_secret#xxxx" \
-H "Content-Type: application/x-www-form-urlencoded" \
-H "Accept: application/json"
  
# cURL example to join several documents into one
curl -v "https://api.groupdocs.cloud/v1.0/metadata" \
-X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-H "Authorization: Bearer <jwt token>" \
-d "{
    "FileInfo": {
        "FilePath": "documents\\input.docx",
        "StorageName": ""
    },
    "SearchCriteria": {
        "NameOptions": {
            "Value": "^dc:.*",
            "MatchOptions": {
                "IsRegex": true
            }
        }
    }
}"

{
    "properties": [
        {
            "name": "dc:title",
            "value": "",
            "propertyType": "String",
            "tags": [
                {
                    "name": "Title",
                    "category": "Content"
                }
            ]
        },
        {
            "name": "dc:subject",
            "value": "",
            "propertyType": "String",
            "tags": [
                {
                    "name": "Subject",
                    "category": "Content"
                }
            ]
        },
        {
            "name": "dc:creator",
            "value": "Prokofjev Igor",
            "propertyType": "String",
            "tags": [
                {
                    "name": "Creator",
                    "category": "Person"
                }
            ]
        },
        {
            "name": "dc:description",
            "value": "",
            "propertyType": "String",
            "tags": [
                {
                    "name": "Description",
                    "category": "Content"
                }
            ]
        }
    ]
}