diff --git a/cssselect/__init__.py b/cssselect/__init__.py
index b41cef9..68ca76d 100644
--- a/cssselect/__init__.py
+++ b/cssselect/__init__.py
@@ -18,5 +18,5 @@
 from cssselect.xpath import GenericTranslator, HTMLTranslator, ExpressionError
 
 
-VERSION = '1.1.0'
+VERSION = '1.1.1'
 __version__ = VERSION
diff --git a/cssselect/parser.py b/cssselect/parser.py
index 7125030..d05d9f7 100644
--- a/cssselect/parser.py
+++ b/cssselect/parser.py
@@ -379,7 +379,7 @@ def specificity(self):
 
 # foo.bar or .bar
 _class_re = re.compile(
-    r'^[ \t\r\n\f]*([a-zA-Z]*)\.([a-zA-Z][a-zA-Z0-9_-]*)[ \t\r\n\f]*$')
+    r'^[ \t\r\n\f]*([a-zA-Z\.]*)\.([a-zA-Z0-9][a-zA-Z0-9_-]*)[ \t\r\n\f]*\$*\%*$')
 
 
 def parse(css):