or
<Window xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" x:Class="xxx.MainWindow" Title="MainWindow" Height="716.724" Width="878.584"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="60"/> <RowDefinition Height="*"/> </Grid.RowDefinitions> <telerik:GridViewDataControl Name="Grid" ItemsSource="{Binding Items}" Grid.Row="1" ShowGroupPanel="False" AutoGenerateColumns="False"> <telerik:GridViewDataControl.Columns> <telerik:GridViewDataColumn DataMemberBinding="{Binding ISCI}" Header="ISCI" UniqueName="ISCI" /> <telerik:GridViewDataColumn DataMemberBinding="{Binding CallLetters}" Header="Call Letters" UniqueName="CallLetters" /> <telerik:GridViewDataColumn DataMemberBinding="{Binding OrderTracking}" Header="OrderTracking" UniqueName="Order Tracking" /> <telerik:GridViewDataColumn DataMemberBinding="{Binding Mft_Priority}" Header="Priority" UniqueName="Priority" /> <telerik:GridViewCheckBoxColumn AutoSelectOnEdit="True" EditTriggers="CellClick" DataContext="{Binding SetTopPriority, Mode=TwoWay}" Header="Bump" UniqueName="SetTopPriority"/> </telerik:GridViewDataControl.Columns> </telerik:GridViewDataControl> </Grid></Window><telerik:RadDocking Grid.Row="1" Grid.ColumnSpan="2" BorderThickness="0" Padding="0" IsEnabled="{Binding Path=IsWebLoading, Converter={StaticResource ibcConverter}}" PreviewClose="RadDocking_PreviewClose"> <telerik:RadSplitContainer InitialPosition="DockedLeft"> <telerik:RadPaneGroup> <telerik:RadPane Header="Menu" telerik:RadDocking.SerializationTag="PaneLeft"> <views:BrowsePanelView Margin="0" VerticalAlignment="Stretch" x:Name="browsePanelView" DataContext="{Binding Path=BrowsePaneVM}"/> </telerik:RadPane> </telerik:RadPaneGroup> </telerik:RadSplitContainer> <telerik:RadDocking.DocumentHost> <telerik:RadSplitContainer> <telerik:RadPaneGroup modules:PaneGroupExtensions.ItemsSource="{Binding Path=DocPanelTabCollection}" SelectionChanged="RadPaneGroup_SelectionChanged"> </telerik:RadPaneGroup> </telerik:RadSplitContainer> </telerik:RadDocking.DocumentHost> </telerik:RadDocking>As per message subject, does radPropertyGrid support RegularExpressionAttribute for validation? I can't find a mention in documentation.