Initial commit

Numbers/Program.cs

@@ -0,0 +1,46 @@
+using System.Text;
+using Numbers.NumberFactory;
+using Numbers.NumberString;
+
+Console.OutputEncoding = Encoding.UTF8;
+
+NumberStringRun();
+Console.WriteLine(Environment.NewLine);
+NumberFactoryRun();
+
+return;
+
+static void NumberStringRun()
+{
+    Console.WriteLine("*** NumberString ***");
+    Console.WriteLine("Extract digits from strings");
+    Console.Write("Enter text: ");
+    var numberString = new NumberString(Console.ReadLine()!);
+    Console.Write($"Contained digits: {string.Join(" ", numberString)}");
+    Console.WriteLine();
+    Console.Write("Press any key to continue...");
+    Console.ReadKey();
+}
+
+static void NumberFactoryRun()
+{
+    var evenRange = (Lower: 3, Upper: 9);
+    var primeRange = (Lower: 1, Upper: 15);
+
+    Console.WriteLine("*** NumberFactory ***");
+
+    var evenNumbers = Factory.Create(NumberType.Even, evenRange.Lower, evenRange.Upper);
+    Console.WriteLine($"Even numbers between {evenRange.Lower} and {evenRange.Upper}: " +
+                      $"{Format(evenNumbers)}{Environment.NewLine}");
+
+    var primeNumbers = Factory.Create(NumberType.Prime, primeRange.Lower, primeRange.Upper);
+    Console.Write($"Prime numbers between {primeRange.Lower} and {primeRange.Upper}: " +
+                      $"{Format(primeNumbers)}{Environment.NewLine}");
+
+    Console.Write("Press any key to exit...");
+    Console.ReadKey();
+
+    return;
+
+    static string Format(IEnumerable<long> numbers) => string.Join(" ", numbers);
+}