nonamp=1 redirect to base url

Hi,
I need a quick help to redirect all such URLs to its base URL, I tried everything in regex but its not working somehow.

I am using this redirection plugin

Want to redirect
https://www.tandurust.com/childrenshealth/common-birth-defects-symptoms.html/amp?nonamp=1

to

https://www.tandurust.com/childrenshealth/common-birth-defects-symptoms.html/amp

I tried following with regex, but its not working

Source: ^/(.*?)/.html\?amp=.*
Target: /$1/

The page I need help with: [log in to see the link]