C# String操作

標籤：

 1 string s = "AbcdefG"; 2 //length:7 3 Label1.Text += "length：" + s.Length + "|"; 4 //count:7 5 Label1.Text += "count：" + s.Count() + "|"; 6 //ElementAt1:b 7 Label1.Text += "elementat1：" + s.ElementAt(1) + "|"; 8 //ElementAtOrDefault:default(string),null 9 Label1.Text += "elementat7：" + s.ElementAtOrDefault(7) + "|";10 //IndexOf("c"):211 Label1.Text += "indexof-c：" + s.IndexOf("c") + "|";12 //Insert(3,"w"):AbcwdefG13 Label1.Text += "insert(3,‘w‘)：" + s.Insert(3,"w") + "|";14 //PadLeft(10,‘/‘):///AbcdefG15 Label1.Text += "padleft：" + s.PadLeft(10,‘/‘) + "|";16 //PadRight(10,‘/‘):AbcdefG///17 Label1.Text += "padright：" + s.PadRight(10,‘/‘) + "|";18 //Remove(0,1):bcdefG19 Label1.Text += "remove(0,1)：" + s.Remove(0,1) + "|";20 //Replace("d","w"):AbcwefG21 Label1.Text += "replace(‘d‘,‘w‘)：" + s.Replace("d","w") + "|";22 //Reverse:GfedcbA23 var reverse = s.Reverse();24 Label1.Text += "reverse：" + s.Reverse() + "|";25 //Split(‘d‘):{string[2]};26 Label1.Text += "split(‘d‘)：" + s.Split(‘d‘) + "|";27 //Substring(2,5):cdefG28 Label1.Text += "sunstring(2,5)：" + s.Substring(2,5) + "|";29 //ToArray:{char[7]}30 var array = s.ToArray();31 Label1.Text += "toarray：" + s.ToArray() + "|";32 //ToCharArray:{char[7]}33 var chararray = s.ToCharArray();34 Label1.Text += "tochararray：" + s.ToCharArray() + "|";35 //ToLower:abcdefg36 Label1.Text += "tolower：" + s.ToLower() + "|";

 

C# String操作