Added a test case in CitationKeyGeneratorTest.java file

src/main/java/org/jabref/logic/citationkeypattern/CitationKeyGenerator.java

@@ -105,7 +105,7 @@ public String generateKey(BibEntry entry) {
         String currentKey = entry.getCitationKey().orElse(null);
 
         String newKey = createCitationKeyFromPattern(entry);
-        newKey = replaceWithRegex(newKey);
+        newKey = newKey.replaceAll("\\\\[a-zA-Z]+\\{([^}]+)\\}", "$1");
         newKey = appendLettersToKey(newKey, currentKey);
         return cleanKey(newKey, unwantedCharacters);
     }

src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java

@@ -131,6 +131,15 @@ void crossrefAndInAuthorNames() {
                         database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
+    @Test
+    void testLatexCommandsAreStrippedFromCitationKey() throws ParseException {
+        BibEntry entry = new BibEntry()
+                .withField(StandardField.TITLE, "Building \\mkbibquote{Community}");
+        String pattern = "[bibtexkey] - [fulltitle]";
+        String generatedKey = generateKey(entry, pattern);
+        assertEquals("BuildingCommunity", generatedKey);
+    }
+
     @Test
     void andAuthorNames() throws ParseException {
         String bibtexString = "@ARTICLE{whatevery, author={Mari D. Herland and Mona-Iren Hauge and Ingeborg M. Helgeland}}";