diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 6803e02c0e2..4cdc59127a1 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -102,6 +102,8 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.sub("(?i)b+", "x", "bbbb BBBB"), 'x x')
         self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y'),
                          '9.3 -3 24x100y')
+        self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y', 3),
+                         '9.3 -3 23x99y')
         self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y', count=3),
                          '9.3 -3 23x99y')
 
@@ -206,6 +208,7 @@ class ReTests(unittest.TestCase):
 
     def test_qualified_re_sub(self):
         self.assertEqual(re.sub('a', 'b', 'aaaaa'), 'bbbbb')
+        self.assertEqual(re.sub('a', 'b', 'aaaaa', 1), 'baaaa')
         self.assertEqual(re.sub('a', 'b', 'aaaaa', count=1), 'baaaa')
 
     def test_bug_114660(self):
@@ -291,6 +294,7 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.subn("b+", "x", "bbbb BBBB"), ('x BBBB', 1))
         self.assertEqual(re.subn("b+", "x", "xyz"), ('xyz', 0))
         self.assertEqual(re.subn("b*", "x", "xyz"), ('xxxyxzx', 4))
+        self.assertEqual(re.subn("b*", "x", "xyz", 2), ('xxxyz', 2))
         self.assertEqual(re.subn("b*", "x", "xyz", count=2), ('xxxyz', 2))
 
     def test_re_split(self):
@@ -347,6 +351,7 @@ class ReTests(unittest.TestCase):
                 self.assertTypedEqual(re.split(sep, ':a:b::c'), expected)
 
     def test_qualified_re_split(self):
+        self.assertEqual(re.split(":", ":a:b::c", 2), ['', 'a', 'b::c'])
         self.assertEqual(re.split(":", ":a:b::c", maxsplit=2), ['', 'a', 'b::c'])
         self.assertEqual(re.split(':', 'a:b:c:d', maxsplit=2), ['a', 'b', 'c:d'])
         self.assertEqual(re.split("(:)", ":a:b::c", maxsplit=2),