How to search & replace within a code editor

Click inside the text editor (while in edit mode) and press cmd+f followed by ctrl+h (ctrl+f and ctrl+h for Windows/Linux).

cmd+f  (ctrl+f for Windows/Linux): brings up a search box (you can use regexes)

ctrl+h: expands this with a replace box 

Use this feature in all components with code editors, processors like:

Command Line Interface Code

Create file

JSON to CSV

Postgres

Python 3 Code

Python from GIT repository

R

R from GIT

SQL on CSV