how to replace same words in vscode code example

Example 1: How do I find and replace all occurrences (in all files) in Visual Studio Code?

Ctrl+Shift+H

Example 2: substitute everything visual studio code

Click on the left bar the search icon
Then with the symbol at the right side of the input field decide if apport the substitution to all files

Example 3: how to replace text for same words vs code

(1) Select your code

(2) Ctrl+Shift+L (which is editor.action.selectHighlights)

(3) voila, multiple cursors done - type away.