How to extract from a string the text that is between certain text?

Question

Google Sheets

Good afternoon, friends, can you tell me how to extract from the text:
domen .ru/?utm_source=yandex&utm_medium=cpc&utm_campaign=nazvanie_campanii&utm_content=name-ads&utm_term=kluck
The content of the utm tag is nazvanie_campanii It is
necessary to automatically extract what is between "utm_campaign=" and "&utm_content= "
For example:

Link to spreadsheet from screenshot: https://docs.google.com/spreadsheets/d/1qrsv4dxkiz...

Answer 1

=MID(B2;FIND("campaign=";B2)+9;FIND("&utm_content";B2)-FIND("campaign=";B2)-9)
Registered in the file by reference