using System;
 
public class Test
{
	public static void Main()
	{
		// Placeholder numérico: # 
		Console.WriteLine(12.345.ToString(".##"));
		Console.WriteLine(12.345.ToString(".####"));
 
		// Placeholder con cero: 
		Console.WriteLine(12.345.ToString(".00"));
		Console.WriteLine(12.345.ToString(".0000"));
 
		// Separador de grupos: , 
		Console.WriteLine(1234.ToString("#,###,###"));
		Console.WriteLine(1234.ToString("0,000,000"));
 
		// Multiplicador: , 
		Console.WriteLine(1000000.ToString("#,"));
		Console.WriteLine(1000000.ToString("#,,"));
 
		// Notación porcentual: , 
		Console.WriteLine(0.6.ToString("00%"));
 
		// Notación exponencial: 
		Console.WriteLine(1234.ToString("0E0"));
		Console.WriteLine(1234.ToString("0E+0"));
		Console.WriteLine(1234.ToString("0.00E00"));
		Console.WriteLine(1234.ToString("0.00e00"));
 
		// Carácter de escape: \ 
		Console.WriteLine(50.ToString(@"\#0"));
 
		// Cadena literal con comillas: 'xx' 'xx' 
		Console.WriteLine(50.ToString("0 '...'"));
 
		// Separador de sección: ; 
		Console.WriteLine(15.ToString("#;(#);cero"));
		Console.WriteLine((-15).ToString("#;(#);cero"));
		Console.WriteLine(0.ToString("#;(#);cero"));
 
		// Cualquier otro carácter: 
		Console.WriteLine(35.2.ToString("$0 . 00c"));
	}
}

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