How to make a program that would pull certain information from a web page?

Question

C++ / C#

We need a program that would extract certain words of a line from the page code, and then export it to a file (table or plain text)
For example, the program should find the line First Name Last Name and save "First Name Last Name" to a file

Answer 1

wget.exe
curl.exe
can be parsed through grep.exe
Or learn C ++ and write a program that executes an http request and searches for strings.