diff --git a/pymysql/cursors.py b/pymysql/cursors.py
index 86475c00..baf0972e 100644
--- a/pymysql/cursors.py
+++ b/pymysql/cursors.py
@@ -12,7 +12,7 @@
 #: executemany only suports simple bulk insert.
 #: You can use it to load large dataset.
 RE_INSERT_VALUES = re.compile(
-    r"\s*((?:INSERT|REPLACE)\s.+\sVALUES?\s+)" +
+    r"\s*((?:INSERT|REPLACE)\b.+\bVALUES?\s*)" +
     r"(\(\s*(?:%s|%\(.+\)s)\s*(?:,\s*(?:%s|%\(.+\)s)\s*)*\))" +
     r"(\s*(?:ON DUPLICATE.*)?);?\s*\Z",
     re.IGNORECASE | re.DOTALL)
diff --git a/pymysql/tests/test_cursor.py b/pymysql/tests/test_cursor.py
index 431ef4dd..add04755 100644
--- a/pymysql/tests/test_cursor.py
+++ b/pymysql/tests/test_cursor.py
@@ -79,6 +79,10 @@ def test_executemany(self):
         self.assertIsNotNone(m, 'error parse %(id_name)s')
         self.assertEqual(m.group(3), ' ON duplicate update', 'group 3 not ON duplicate update, bug in RE_INSERT_VALUES?')
 
+        # https://github.com/PyMySQL/PyMySQL/pull/597
+        m = pymysql.cursors.RE_INSERT_VALUES.match("INSERT INTO bloup(foo, bar)VALUES(%s, %s)")
+        assert m is not None
+
         # cursor._executed must bee "insert into test (data) values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9)"
         # list args
         data = range(10)