grep "<replacement " for clang-format error (#2352)

cmake/Modules/style_check.cmake

@@ -19,11 +19,11 @@ find_program(CLANG_FORMAT ${CLANG_FORMAT_FILENAME} PATHS ENV PATH)
 
 macro(STYLE_CHECK_FILE PATH)
     execute_process(COMMAND ${CLANG_FORMAT} -style=file -output-replacements-xml ${PATH}
-        OUTPUT_VARIABLE STYLE_CHECK_RESULT)
-        list(LENGTH STYLE_CHECK_RESULT RESULT_LENGTH)
-        if (RESULT_LENGTH GREATER 1)
-            list(APPEND ERROR_LIST ${PATH})
-        endif()
+        OUTPUT_VARIABLE STYLE_CHECK_RESULT
+    )
+    if("${STYLE_CHECK_RESULT}" MATCHES ".*<replacement .*")
+        list(APPEND ERROR_LIST ${PATH})
+    endif()
 endmacro()
 
 set(DIRECTORIES_OF_INTEREST