ItemModelSurfaceDataProxy "columnRolePattern" and "columnRoleReplace" (as well as their row equivalents) do not work.

import QtQuick
import QtGraphs

Window {
  id: root
  width: 1280
  height: 960
  visible: true
  title: qsTr("Graphs 3D - Surface Graph")

  Surface3D {
    id: surfaceGraph
    anchors.fill: parent

    Surface3DSeries {
      id: surfaceSeries

      ItemModelSurfaceDataProxy {
        itemModel: dataModel
        rowRole: "xPos"
        columnRole: "timestamp"
        columnRolePattern: /(?:\d{2}.){2}(\d{4})/ // Match date, capture only year
        columnRoleReplace: "\\1" // Present the captured year
        yPosRole: "yPos"
      }
    }
  }

  ListModel {
    id: dataModel
    Component.onCompleted: {
      for (let i = 0; i <= 10; ++i) {
        for (let j = 2000; j <= 2015; ++j) {
          dataModel.append({"xPos": i, "yPos": i + j, "timestamp": "10.10." + j})
        }
      }
    }
  }
}