Cannot find text in *.py files with Windows Explorer?

[Terry Reedy]

John Doe wrote:
> John Doe <jdoe at usenetlove.invalid> wrote:
> 
> ...
> 
>> Another file manager, FreeCommander, does find text in Python files.
> 
> However... It does not have Undo! Potentially risky.

Undo is an editor function.  I do not believe Windows Explore has Undo 
either.