[svn] Fix C# class / namespace names.

1 files changed, 2 insertions, 2 deletions

diff --git a/pygments/lexers/dotnet.py b/pygments/lexers/dotnet.py
index b98c6fe4..81581bcc 100644
--- a/pygments/lexers/dotnet.py
+++ b/pygments/lexers/dotnet.py
@@ -113,11 +113,11 @@ class CSharpLexer(RegexLexer):
                 (cs_ident, Name),
             ],
             'class': [
-                (r'[a-zA-Z_][a-zA-Z0-9_]*', Name.Class, '#pop')
+                (cs_ident, Name.Class, '#pop')
             ],
             'namespace': [
                 (r'(?=\()', Text, '#pop'), # using (resource)
-                (r'[a-zA-Z_][a-zA-Z0-9_.]*', Name.Namespace, '#pop')
+                ('(' + cs_ident + r'|\.)+', Name.Namespace, '#pop')
             ]
         }