Alternation Constructs From RegEx Builder previous page next page Alternation Constructs Previous Top Next · Or (|)· Yes/No Expression match ((?(expr)yes|no))· Yes/No Named match ((?(name)yes|no))For detailed information on these constructs see the online reference at MSDN:· Visual Studio 2003 / .NET Framework 1.1· Visual Studio 2005 / .NET Framework 2.0· .NET Framework 3.0· Visual Studio 2008 / .NET Framework 3.0 previous page start next page