It's a bug in v1.1.0 pre-release. You can fix it manually with attached patch.
Find lines you need to modify in file "libs/iredutils.py", then change them.
There're two lines need to be modified, just remove '$' at the end.
diff -r 8862460398bc libs/iredutils.py
--- libs/iredutils.py Thu Apr 21 08:18:29 2011 +0800
+++ libs/iredutils.py Fri Apr 22 15:07:26 2011 +0800
@@ -18,10 +18,10 @@
# Regular expressions.
#
# Email.
-reEmail = r"""[\w\-][\w\-\.]*@[\w\-][\w\-\.]+[a-zA-Z]{2,4}$"""
+reEmail = r"""[\w\-][\w\-\.]*@[\w\-][\w\-\.]+[a-zA-Z]{2,4}"""
# Domain.
-reDomain = r"""[\w\-][\w\-\.]*\.[a-z]{2,4}$"""
+reDomain = r"""[\w\-][\w\-\.]*\.[a-z]{2,4}"""
# End Regular expressions.
####