CSHARP

c# substring

var str = "Some String";

public string Substring(int startIndex);

var valueOfSubstring = str.Substring(5);

public string Substring(int startIndex, int length);

var valueOfSubstring = str.Substring(5, 3);

all substrings of a string c#

public static List<string> SubString(String str)
{
  var list = new List<string>();
  for (int i = 0; i < str.Length; i++)
  {
    for (int j = 1; j <= str.Length - i; j++)
    {
      list.Add(str.Substring(i, j));
    }
  }
  return list;
}

substring in c#

str.Substring(StartIndex, Length );