Here is the code:
string answer = Console.ReadLine(); if (answer.IndexOf("окей")) { Console.WriteLine("ну окей, так окей"); } I need the code to find the word OK in the answer variable that the user enters into the console. Please correct me. What did I write wrong here?
String.IndexOf returns an index, starting from zero, of the first occurrence of the value of the specified string in the given instance. You need to check if the result is equal to a value greater than -1.
It's easier to use String.Contains :
Returns a value indicating whether the specified string contains the value of the substring passed as a parameter.
string answer = Console.ReadLine(); if (answer.Contains("окей")) { Console.WriteLine("ну окей, так окей"); } 
Source: https://ru.stackoverflow.com/questions/556983/
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if (answer.IndexOf("окей") != -1)- Alexey Shimansky