how to extract characters from string by looking for characters C# code example

Example 1: c sharp substring

// To get a substring of a string use 'Substring()'
// The first value is the index of where to start and the second
// value is the lenght of the substring.
string str = "Hello World!"
str.Substring(3, 4) // Output: "lo W"
  
// If you only give a starting index, it will go until the end
str.Substring(3) // Output: "lo World!"

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

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