Scrape website and search for text and update excel sheet - source code required

I want to scrape the ASX site for all of today's announcements for all stocks and search for key words in the announcement title and then to copy the name of company, link to file and whether its flagged market sensitive.

https://www2.asx.com.au/markets/trade-our-cash-market/todays-announcements

I would like it written in c#