How to extract patterns form a text files in shell bash

Question

I have a text file that contains:

toto.titi.any=val1
toto.tata.any=val2
toto.tete.any=val2

How to extract titi , tata

Answer 1

sed -n 's/^[^.]*.\([^.]*\)..*/\1/p' myfile.txt

display second value between dot from line having at least 2 dot inside