How to find that a text file contains a specific paragraph in c#.net

Question

Suppose there is one text file which contains a text(Example :-content of any website). Now if I want to match a string strA, which is as paragraph, from the text file i.e the text in a text file say a.txt contains the string strA or not?

How to compare it?

Answer 1

I would do something like:

bool containsString  = File.ReadAllText(@"C:	est.txt").Contains("strA");