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/// <summary> /// 按指定長度切割字符串(漢字算2個字符長度) /// </summary> /// <param name="input">輸入字符串</param> /// <param name="newlinLength">按指定長度切割換行</param> /// <returns>輸出字符串(中英混合行可能是newlinLength+1個長度 )</returns> public string StringSplit(string input, int newlinLength = 5) {System.Text.StringBuilder sbResult = new System.Text.StringBuilder();int linLength = 0;for (int i = 0; i < input.Length; i++){linLength += System.Text.Encoding.Default.GetBytes(input[i].ToString()).Length;sbResult.Append(input[i]);if (linLength > newlinLength){linLength = 0;sbResult.Append(Environment.NewLine);}}return sbResult.ToString(); }/// <summary> /// 按指定長度切割字符串(漢字算1個字符長度) /// </summary> /// <param name="input">輸入字符串</param> /// <param name="newlinLength">按指定長度切割換行</param> /// <returns>輸出字符串數組</returns> public string[] StringSplit2(string input, int newlinLength = 5) {//string reg = @"(?<=\G.{5})(?!$)";//string reg2 = "(?<=\\G.{5})";var temp = Regex.Split(input, @"(?<=\G.{" + newlinLength + "})(?!$)");//temp.ToList().ForEach(t => Console.WriteLine(t)); return temp.ToArray<string>(); }

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轉載于:https://www.cnblogs.com/ssda/p/8097396.html

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