fix nice_identifier regex

diff --git a/Cython/Compiler/Code.py b/Cython/Compiler/Code.py
index d864229d2993890827bb52b5396eea6e97ffa271..00868d6c6745f0b864114265f0e737624e7cf15c 100644 (file)
--- a/Cython/Compiler/Code.py
+++ b/Cython/Compiler/Code.py
@@ -289,7 +289,7 @@ class PyObjectConst(object):
 
 possible_unicode_identifier = re.compile(ur"(?![0-9])\w+$", re.U).match
 possible_bytes_identifier = re.compile(r"(?![0-9])\w+$".encode('ASCII')).match
-nice_identifier = re.compile('^[a-zA-Z0-0_]+$').match
+nice_identifier = re.compile('^[a-zA-Z0-9_]+$').match
 
 class StringConst(object):
     """Global info about a C string constant held by GlobalState.