public static void Main()
string value = "x=21-bola,x=32-tony,x=43-adel";
string[] arrayOfString = value.Split(",");
foreach (string s in arrayOfString)
int startPosition = s.IndexOf("=") + 1;
int endPosition = s.IndexOf("-");
string output = s.Substring(startPosition, endPosition - startPosition);
Console.WriteLine(output);