diff --git a/programs/reg/tests/reg.c b/programs/reg/tests/reg.c
index edc3b083fd7..8786b0f9d68 100644
--- a/programs/reg/tests/reg.c
+++ b/programs/reg/tests/reg.c
@@ -774,7 +774,7 @@ static void test_import(void)
     char test1_reg[MAX_PATH], test2_reg[MAX_PATH];
     char cmdline[MAX_PATH];
     char test_string[] = "Test string";
-    HKEY hkey;
+    HKEY hkey, subkey;
     LONG err;
 
     run_reg_exe("reg import", &r);
@@ -1082,6 +1082,39 @@ static void test_import(void)
     todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
     todo_wine verify_reg(hkey, "Multi-Line2", REG_MULTI_SZ, "Line concat", 12, 0);
 
+    test_import_str("REGEDIT4\n\n"
+                    "[HKEY_CURRENT_USER\\" KEY_BASE "]\n"
+                    "\"double\\\"quote\"=\"valid \\\"or\\\" not\"\n"
+                    "\"single'quote\"=dword:00000008\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    todo_wine verify_reg(hkey, "double\"quote", REG_SZ, "valid \"or\" not", 15, 0);
+    dword = 0x00000008;
+    todo_wine verify_reg(hkey, "single'quote", REG_DWORD, &dword, sizeof(dword), 0);
+
+    test_import_str("REGEDIT4\n\n"
+                    "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey\"1]\n"
+                    "\"Wine\\\\31\"=\"Test value\"\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    err = RegOpenKeyExA(hkey, "Subkey\"1", 0, KEY_READ, &subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    todo_wine verify_reg(subkey, "Wine\\31", REG_SZ, "Test value", 11, 0);
+    err = RegCloseKey(subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    err = RegDeleteKeyA(HKEY_CURRENT_USER, KEY_BASE "\\Subkey\"1");
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+
+    test_import_str("REGEDIT4\n\n"
+                    "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey/2]\n"
+                    "\"123/\\\"4;'5\"=\"Random value name\"\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    err = RegOpenKeyExA(hkey, "Subkey/2", 0, KEY_READ, &subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    todo_wine verify_reg(subkey, "123/\"4;'5", REG_SZ, "Random value name", 18, 0);
+    err = RegCloseKey(subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    err = RegDeleteKeyA(HKEY_CURRENT_USER, KEY_BASE "\\Subkey/2");
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+
     err = RegCloseKey(hkey);
     todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
 
@@ -1358,6 +1391,39 @@ static void test_import(void)
     todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
     todo_wine verify_reg(hkey, "Multi-Line2", REG_MULTI_SZ, "Line concat", 12, 0);
 
+    test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
+                     "[HKEY_CURRENT_USER\\" KEY_BASE "]\n"
+                     "\"double\\\"quote\"=\"valid \\\"or\\\" not\"\n"
+                     "\"single'quote\"=dword:00000008\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    todo_wine verify_reg(hkey, "double\"quote", REG_SZ, "valid \"or\" not", 15, 0);
+    dword = 0x00000008;
+    todo_wine verify_reg(hkey, "single'quote", REG_DWORD, &dword, sizeof(dword), 0);
+
+    test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
+                     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey\"1]\n"
+                     "\"Wine\\\\31\"=\"Test value\"\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    err = RegOpenKeyExA(hkey, "Subkey\"1", 0, KEY_READ, &subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    todo_wine verify_reg(subkey, "Wine\\31", REG_SZ, "Test value", 11, 0);
+    err = RegCloseKey(subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    err = RegDeleteKeyA(HKEY_CURRENT_USER, KEY_BASE "\\Subkey\"1");
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+
+    test_import_wstr("\xef\xbb\xbfWindows Registry Editor Version 5.00\n\n"
+                     "[HKEY_CURRENT_USER\\" KEY_BASE "\\Subkey/2]\n"
+                     "\"123/\\\"4;'5\"=\"Random value name\"\n\n", &r);
+    todo_wine ok(r == REG_EXIT_SUCCESS, "got exit code %d, expected 0\n", r);
+    err = RegOpenKeyExA(hkey, "Subkey/2", 0, KEY_READ, &subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    todo_wine verify_reg(subkey, "123/\"4;'5", REG_SZ, "Random value name", 18, 0);
+    err = RegCloseKey(subkey);
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+    err = RegDeleteKeyA(HKEY_CURRENT_USER, KEY_BASE "\\Subkey/2");
+    todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);
+
     err = RegCloseKey(hkey);
     todo_wine ok(err == ERROR_SUCCESS, "got %d, expected 0\n", err);