title: Remove specific properties from JSON object
body: <p>I have a JSON:</p>
  
  <pre><code>{
      "scbs_currentstatus": "",
        "scbs_primaryissue": "",
        "_umb_id": "Test",
        "_umb_creator": "Admin",
        "_umb_createdate": "0001-01-01 00:00:00",
        "_umb_updatedate": "0001-01-01 00:00:00",
        "_umb_doctype": "Test",
        "_umb_login": "Test",
        "_umb_email": "Test",
        "_umb_password": {
          "newPassword": "Test",
          "oldPassword": null,
          "reset": null,
          "answer": null
        },
        "_umb_membergroup": {
          " User": false,
          "Line User": true,
          "Callback User": false,
          "Su User": false,
          },
        "umbracoMemberComments": "Test",
        "umbracoMemberFailedPasswordAttempts": ""
  
      }
  </code></pre>
  
  <p>Iam trying to remove all the properties start with <strong>"umb_"</strong> .is this possible in json.net?</p>
  
  <p>and output will be like:</p>
  
  <pre><code>{
          "scbs_currentstatus": "",
            "scbs_primaryissue": "",
             "umbracoMemberComments": "Test",
            "umbracoMemberFailedPasswordAttempts": ""
  }
  </code></pre>
  
  <p>using remove i am able to to do it however not all at a time.</p>
  
  <pre><code>   result.Property("_umb_id").Remove();
  </code></pre>
  
  <p>any suggestion please?</p>