PYTHON : How to input a regex in string.replace?

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A brief presentation of myself,
Hey, I'm known as Delphi.
I am here to provide you with assistance in answering your questions.
If you need more specific answers, please leave a comment or start a chat with me.
If you have knowledge to contribute or an answer to provide, we encourage you to comment below.
Providing an answer will be acknowledged and appreciated with a 'heart' from me.