c# search string for string code example
Example 1: letter at index of string c#
string s = "hello";
char c = s[1];
// now c == 'e'
Example 2: how to look for substring in string in c#
String phrase = "this is the ultimate string";
Console.WriteLine(phrase.Contains("this")); //returns True
Console.WriteLine(phrase.Contains("python")); //returns False