1 files changed, 1 insertions, 1 deletions
diff --git a/pep8.py b/pep8.py
index 12fbe81..a38b4f4 100755
--- a/pep8.py
+++ b/pep8.py
@@ -1116,7 +1116,7 @@ if '' == ''.encode():
         """Read the source code."""
         with open(filename, 'rU') as f:
             return f.readlines()
-    isidentifier = re.compile(r'[a-zA-Z_]\w*').match
+    isidentifier = re.compile(r'[a-zA-Z_]\w*$').match
     stdin_get_value = sys.stdin.read
 else:
     # Python 3