In the manual code menu there is a «Search» option

1. The text to search.

2. Invoke the search.

3. Positions on the next occurrence of the searched text (In the "Code body" window. point 9).

4. The type of manual code where the text should be searched/replaced.
   

5. The text to replace the searched text.

6. Replace only the current occurrence on which it is currently positioned.

7. Replace all occurrences of the searched text. The change is immediately saved (after confirmation).

8. List of results (indication of manual code and number of occurrences of the searched text).

9. Visualization of manual code with possibility to edit the code.

10. Edit code in external editor (opens predefined editor for code language extension).

11. Effectively save changes made in the «Code body».