jquery datatable trigger filter by value

function filter_datatable(datatable, key, value) {
        var table = datatable.DataTable();
        var old_val = table.row({ filter: 'applied' }).data()[key];
        var new_val = $.fn.dataTable.util.escapeRegex(
            value ? value : ''
        );
        
        if (old_val !== new_val) {
            table.column(key).search(new_val).draw();
        }
  }