Golang - extract links using regex

I need to get all links from text which are in specific domain example.de using Regex in Go

Below are all possible links that should be extracted:

https://example.de 
https://example.de/
https://example.de/home
https://example.de/home/
https://example.de/home some text that should not be extracted
https://abc.example.de
https://abc.example.de/
https://abc.example.de/home
https://abc.example.de/home
https://abc.example.de/home some text that should not be extracted

What I already tried

I used this website to check if my regex are correct: