Use non-deprecated method name.
diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index 24a4a57..fca38c3 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -1225,19 +1225,19 @@
         # issue 11828
         s = 'hello'
         x = 'x'
-        self.assertRaisesRegexp(TypeError, r'^find\(', s.find,
+        self.assertRaisesRegex(TypeError, r'^find\(', s.find,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^rfind\(', s.rfind,
+        self.assertRaisesRegex(TypeError, r'^rfind\(', s.rfind,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^index\(', s.index,
+        self.assertRaisesRegex(TypeError, r'^index\(', s.index,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^rindex\(', s.rindex,
+        self.assertRaisesRegex(TypeError, r'^rindex\(', s.rindex,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^count\(', s.count,
+        self.assertRaisesRegex(TypeError, r'^count\(', s.count,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^startswith\(', s.startswith,
+        self.assertRaisesRegex(TypeError, r'^startswith\(', s.startswith,
                                 x, None, None, None)
-        self.assertRaisesRegexp(TypeError, r'^endswith\(', s.endswith,
+        self.assertRaisesRegex(TypeError, r'^endswith\(', s.endswith,
                                 x, None, None, None)