日期:2014-05-17 浏览次数:21352 次
 private void button12_Click(object sender, EventArgs e)
        {
            string str = System.IO.File.ReadAllText("C:/Users/hp/Documents/Visual Studio 2010/Projects/homework3/homework3/Customer.txt");
            Regex reg = new Regex(textBox4.Text);
            Match m = reg.Match(str);
            while (m.Success)
            {
                MessageBox.Show("Yes, you find it!",m.Index.ToString());
                m = reg.Match(str, m.Index + m.Length);
            }
        }