Get request, output the data I need?

Question

WPF

I make a get request.
After that, I need to display not the entire get request, but only what is needed.
Example
There is an html
theme
code on the site. I need to display in text.box1 =564654, in 2 box theme
How can I do this?

Answer 1

parse through regex or you can try to parse dom through xml