Merge remote-tracking branch 'C_tpetricek/master' into devel

Author: jmp75

RDotNet.NativeLibrary/NativeUtility.cs

@@ -7,6 +7,7 @@
 using System.Collections.Generic;
 using System.Collections;
 using System.Linq;
+using System.Text.RegularExpressions;
 
 namespace RDotNet.NativeLibrary
 {
@@ -306,7 +307,11 @@ public static Version GetRVersionFromRegistry(StringBuilder logger = null)
                 if (subKeyNames.Length > 0)
                     version = subKeyNames[0];
             }
-            return new Version(version);
+            // Version should normally be "3.2.4", but some releases had
+            // "3.2.4 Revised" in which case constructor for Version fails.
+            // The regex first extracts the numerical part of the string.
+            var reg = new Regex("([0-9]*\\.)*[0-9]*");
+            return new Version(reg.Match(version).Value);
         }
 
         private static string GetRCurrentVersionStringFromRegistry(RegistryKey rCoreKey)