diff --git a/python/src/com/jetbrains/python/spellchecker/PythonSpellcheckerStrategy.java b/python/src/com/jetbrains/python/spellchecker/PythonSpellcheckerStrategy.java
index e335bf20af0c..8162a81df75c 100644
--- a/python/src/com/jetbrains/python/spellchecker/PythonSpellcheckerStrategy.java
+++ b/python/src/com/jetbrains/python/spellchecker/PythonSpellcheckerStrategy.java
@@ -15,6 +15,7 @@
  */
 package com.jetbrains.python.spellchecker;
 
+import com.intellij.lang.injection.InjectedLanguageManager;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.psi.PsiElement;
 import com.intellij.spellchecker.inspections.PlainTextSplitter;
@@ -94,6 +95,10 @@ public class PythonSpellcheckerStrategy extends SpellcheckingStrategy {
   @Override
   public Tokenizer getTokenizer(PsiElement element) {
     if (element instanceof PyStringLiteralExpression) {
+      final InjectedLanguageManager injectionManager = InjectedLanguageManager.getInstance(element.getProject());
+      if (element.getTextLength() >= 2 && injectionManager.getInjectedPsiFiles(element) != null) {
+        return EMPTY_TOKENIZER;
+      }
       PsiElement parent = element.getParent();
       if (parent instanceof PyBinaryExpression) {
         PyBinaryExpression binaryExpression = (PyBinaryExpression)parent;
diff --git a/python/testData/inspections/spelling/typosInDoctestsReportedOnce.py b/python/testData/inspections/spelling/typosInDoctestsReportedOnce.py
new file mode 100644
index 000000000000..9041a40a92df
--- /dev/null
+++ b/python/testData/inspections/spelling/typosInDoctestsReportedOnce.py
@@ -0,0 +1,3 @@
+"""
+>>> 'There are also always two inspection <TYPO descr="Typo: In word 'messags'">messags</TYPO>.'
+"""
\ No newline at end of file
diff --git a/python/testData/inspections/spelling/typosInInjectedPythonStringsReportedOnce.py b/python/testData/inspections/spelling/typosInInjectedPythonStringsReportedOnce.py
new file mode 100644
index 000000000000..99e9e217d6d9
--- /dev/null
+++ b/python/testData/inspections/spelling/typosInInjectedPythonStringsReportedOnce.py
@@ -0,0 +1,2 @@
+# language=Python
+s = '"<TYPO descr="Typo: In word 'mstyped'">mstyped</TYPO>"'
\ No newline at end of file
diff --git a/python/testData/inspections/spelling/typosInRegexIgnored.py b/python/testData/inspections/spelling/typosInRegexIgnored.py
new file mode 100644
index 000000000000..0053805b4686
--- /dev/null
+++ b/python/testData/inspections/spelling/typosInRegexIgnored.py
@@ -0,0 +1,2 @@
+import re
+re_sth = re.compile(r'(\w+)\stells\syou')
diff --git a/python/testSrc/com/jetbrains/python/PySpellCheckerTest.java b/python/testSrc/com/jetbrains/python/PySpellCheckerTest.java
index 356aec5e156f..3f2a3927d7c3 100644
--- a/python/testSrc/com/jetbrains/python/PySpellCheckerTest.java
+++ b/python/testSrc/com/jetbrains/python/PySpellCheckerTest.java
@@ -66,6 +66,20 @@ public class PySpellCheckerTest extends PyTestCase {
     doTest();
   }
 
+  public void testTyposInInjectedPythonStringsReportedOnce() {
+    doTest();
+  }
+
+  // PY-36912
+  public void testTyposInDoctestsReportedOnce() {
+    doTest();
+  }
+
+  // PY-7711
+  public void testTyposInRegexIgnored() {
+    doTest();
+  }
+
   private void doTest() {
     myFixture.enableInspections(SpellCheckingInspection.class);
     myFixture.configureByFile("inspections/spelling/" + getTestName(true) + ".py");