using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace mytest { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { String test = "Bicicletta"; String new_test = test.Replace("Bicicletta", "moto"); MessageBox.Show(new_test); } } }