How to change the BackgroundColor of a XtraGrid Grouprow using C# or VB.NET
To change the BackgroundColor of a XtraGrid Grouprow you need to use the Gridviews CustomDrawGroupRow Event. Sample C# Sample VB.NET
How to match roman numerals using Regex
To match roman numerals using Regex you can use the following regex. The First Group should contain the Roman Numeral. ^(?i:(?=[MDCLXVI])((M{0,3})((C[DM])|(D?C{0,3}))?((X[LC])|(L?XX{0,2})|L)?((I[VX])|(V?(II{0,2}))|V)?))$