Replace 字符串替换

单个替换:
string str = "aaaaaaa#bbbbbb#aaaaaa";
替换#bbbbbb#为cccccc
String ii = str.Replace("#bbbbbb#", "cccccc");
MessageBox.Show(ii.ToString());

多重替换:
string str="aaaaa#bbbbb#aaaaaa#cccccc#aaaaa";
替换#bbbbbb#为dddddd
        #ccccccc#为eeeeeee
String ii = str.Replace("#bbbbbb#", "dddddd").Replace("#ccccccc#", "eeeeeee");
MessageBox.Show(ii.ToString());


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