Update Lib/test/test_unicode.py

Lib/test/test_unicode.py

@@ -2811,7 +2811,7 @@ def check_format(expected, format, *args):
         # We cannot test the exact result,
         # because it returns a hex representation of a C pointer,
         # which is going to be different each time. But, we can test the format.
-        p_format_regex = r'0x[a-zA-Z0-9]{8,}'
+        p_format_regex = r'^0x[a-zA-Z0-9]{8,}$'
         p_format1 = PyUnicode_FromFormat(b'%p', 'abc')
         self.assertIsInstance(p_format1, str)
         self.assertRegex(p_format1, p_format_regex)