Check the same string everylines.

Question

Hi All,
I have 39 lines string in List Data3 (listbox4).How to find the same string for every lines.
In button4 ,I try to use loop method and result must separate the same string and none.

Thank.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace TestFor_43
{
    public partial class Form1 : Form
    {
        List<string> Data1 = new List<string>();
        List<string> Data2 = new List<string>();
        List<string> Data3 = new List<string>();
        List<string> Data4 = new List<string>();

        public Form1()
        {
            InitializeComponent();
                foreach (var s in File.ReadLines(@"C:\Users\family\Documents\Test_1.txt"))
                {
                    Data1.Add(s);
                }

            for (int i = 0; i <= Data1.Count - 1; i++)
            {
                listBox1.Items.Add(i.ToString() + "     " + Data1[i]);
            }
            // Test_1.txt=
//6131,6433,3457,6615,4102,5786,4429,0554,1096,6749,6164,7932,2546,9557,7782,4423,2767,8839,2988,9450,9872,2220,2930
//8229,6309,8758,7699,1532,6548,3209,7172,6031,3161,1367,3964,9031,0645,7415,7480,1806,7664,5697,7189,4700,9372,9504
//0558,2100,6498,3658,3031,4536,0368,4647,0943,3576,2487,3854,7633,5901,8171,5300,8315,0073,9409,7738,6955,2172,0490
//6733,8571,0977,1758,2288,1280,8427,6100,7091,1285,8588,3928,2179,1486,6647,0171,1149,6691,3499,2316,8876,6179,8647
//6138,9855,8590,2506,5598,3363,3294,5097,8842,2746,2692,0462,6217,6536,4541,6274,2040,5207,9965,6093,1941,3891,1798
//6247,1084,4075,8293,3823,5994,6797,7324,6744,6758,6657,4276,4578,1496,8424,7582,8814,2551,4311,6368,9451,5157,4855
//2617,5522,4776,0297,6088,0337,7253,4374,5167,3930,1407,1118,1323,8912,5418,9738,2516,0833,6079,3447,6405,0700,0555
//3627,3096,7803,7570,8777,2863,8540,7048,1657,4994,3587,0065,6171,4839,3518,6125,9418,6703,6724,6852,7923,8295,2316
//7532,6792,6505,9696,6481,9223,1385,4187,3612,7372,5050,6716,6403,3792,4163,3504,4133,6545,5261,6284,9646,8465,3622
//2607,3836,8540,4848,8080,8018,6807,6238,2486,0771,0504,2154,9826,6737,6982,3010,8217,5414,7137,0145,2421,2362,4997
//1635,7492,6019,5295,2741,0482,7006,8132,8463,9402,3078,0863,7792,2474,7333,9239,7467,7016,5916,2106,8584,1789,4330
//4639,6922,6676,5271,1713,0473,0227,2671,2250,7284,7747,3505,1156,9734,0955,9792,6117,6947,9976,5670,1412,7253,9914
//8128,1211,0287,7649,4181,5522,9241,8835,7188,5081,2301,3470,7892,6198,9287,6095,5490,9125,6038,9326,1350,5679,4781
//2899,2093,5562,5768,7794,8404,3020,9378,0870,1049,1329,7613,3170,2902,3170,1083,7939,4531,8300,8089,1379,4365,5909
//0436,5107,9944,2291,8945,4647,7228,5580,9122,7006,1341,0214,8606,2032,1406,1573,4359,1270,6801,4196,7765,1499,6901
//1138,0886,2059,1298,1844,1327,9516,5899,1433,1912,0303,4733,8682,3493,7669,8406,5734,7835,5327,4605,8416,7601,0333
//7697,0582,9478,7943,7761,6370,0172,0726,9000,4013,1575,0429,0269,1776,8543,0452,9522,7734,9194,8382,6106,5781,8248
//4828,7042,4429,0093,4193,3859,9781,7814,7343,9454,6713,0423,5449,9330,2557,3014,2132,5898,5644,3719,2854,7552,6742
//6776,0884,8531,9925,1256,9574,3781,4469,1898,0059,4469,3139,8709,1508,3643,1724,8411,6241,1648,9507,9226,6376,3004
//2670,2673,4418,1524,3313,1264,9779,5546,0850,0327,1430,4367,7313,5662,5629,0267,2135,4572,2663,5114,9642,1204,0278
//3965,9688,8577,1431,3545,7533,4565,5590,3266,2476,8054,1720,2100,6593,6329,7501,8490,6693,9289,6515,8852,1539,5786
//7221,4947,3344,1482,1513,3673,9477,2417,7423,9165,1558,5317,6144,6638,9647,9002,5806,8747,1600,8234,1845,9410,5378
//8138,3429,1581,3960,0516,5406,3884,9944,1526,4977,2648,3222,8410,8482,0331,4759,1523,8541,4738,0836,9833,1731,8808
//0086,9763,3395,8542,5244,9760,5083,5394,8548,3578,1137,2398,0445,1043,3128,5478,9260,5566,6678,4723,8000,3594,7615
//9968,2356,1590,6003,9644,1330,3516,9920,1684,2419,3025,0763,7954,8300,3398,5947,5633,1510,9577,5387,0841,5321,5879
//1908,2137,5273,2437,4598,4287,3491,9891,2899,9067,7719,0709,9711,3701,6557,7513,5465,4189,7323,9490,5414,3137,8423
//9922,2121,1519,0073,7644,1213,9746,8655,4045,2326,0781,1909,9133,3431,7582,3739,2697,0537,4585,0244,7942,3114,2445
//7526,8322,7585,7174,3071,8155,5125,4246,6406,3412,9511,8304,5608,2849,7675,8819,9117,6481,6711,0928,2605,5574,8398
//7350,8200,9549,6836,0613,8406,5175,5913,9989,2985,7860,0858,0679,1020,4637,4230,9760,7967,5156,7142,3661,4562,7700
//0374,7860,2663,1708,6617,4432,6697,4799,6102,7775,6435,1082,8146,3488,9108,2034,4905,7574,0226,3136,7589,1886,0475
//9726,4505,8135,3561,3804,1073,0601,0173,5777,2539,3902,9497,9186,8228,9756,3182,3887,7237,7481,1509,2677,3806,2510
//7628,9297,4891,7549,6743,0759,2603,7758,3976,7697,5095,4156,7667,5139,9858,4844,1816,6390,2460,5759,8352,1282,5184
//5600,9120,6891,3544,2239,1036,0340,9984,2500,5344,9212,1242,9342,4553,9058,6747,5815,5072,5236,6447,3826,4577,8111
//7232,7812,2480,0216,3233,3031,2370,3941,7554,4102,5284,6255,3024,0473,6960,3447,1816,5243,6418,2429,5844,8509,7800
//5171,7294,5832,7261,9842,9739,1209,1467,8757,2391,5810,1316,5227,2958,9928,3631,3655,8645,4738,9864,6908,1170,1850
//8689,1251,5802,2985,5267,9712,0868,7807,9718,9000,6550,6536,6926,8262,4127,0864,8348,4337,9253,2972,3754,9519,1224
//8182,2114,9871,3335,5653,1812,5503,5310,9234,8864,0841,6947,0275,5765,0869,5877,0160,5120,0107,3023,8970,6360,4241
//0251,1292,8111,7166,6149,5676,6301,5207,3242,2205,0765,9177,9988,4080,6972,5337,9173,4805,4720,8152,8805,5028,8625
//5685,8977,6755,1198,6196,5904,3310,4159,7938,4458,0394,7348,5459,9165,0346,6047,7171,0715,0733,3528,8751,4026,4066
//9958,7361,2240,6848,2874,5092,0199,9898,9387,7323,8021,4130,4954,1651,6877,4377,0761,7249,1547,3562,0587,7777,3259


        }

        private void button1_Click(object sender, EventArgs e)
        {
            foreach (var item_ in Data1)
            {
                listBox2.Items.Add(item_);

                var MyItems = new List<myItem>();

                for (int j = 0; j <= 9; j++)
                {
                    String Number_ = j.ToString();
                    int NumberCount_ = item_.Replace(",", "").ToCharArray().Count(c => c.ToString() == Number_);
                    MyItems.Add(new myItem() { Index = Convert.ToInt32(Number_.ToString()), Value = NumberCount_ });
                }

                foreach (myItem ITM in MyItems)
                {
                    listBox2.Items.Add(ITM.Index + "   = " + ITM.Value);
                }
                var Result = new Dictionary<string, int>();
                foreach (myItem ITM in MyItems)
                {
                    if (Result.ContainsKey(ITM.Value.ToString()))
                    {
                        Result[ITM.Value.ToString()] += 1;
                    }
                    else
                    {
                        Result.Add(ITM.Value.ToString(), 1);
                    }
                }
                string List = "";
                foreach (KeyValuePair<string, int> KV in Result)
                {
                    List += KV.Key + "=" + KV.Value.ToString();
                    List += ", ";
                    Data2.Add(KV.Value.ToString());
                }

                listBox2.Items.Add(" ");
                listBox2.Items.Add(List);
                listBox2.Items.Add("==========================================");

                string XList = "";

                for (int ii = 0; ii <= Data2.Count - 1; ii++)
                {
                    XList += Data2[ii];
                }
                listBox3.Items.Add(XList);

                Data3.Add(XList);

                Data2.Clear();
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            for (int ii = 0; ii <= Data3.Count - 1; ii++)
            {
                string YList = Data3[ii];
                listBox4.Items.Add(ii.ToString() + "  " + YList);
                Data4.Add(YList);
            }
            Data3.Clear();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            for (int II = 0, loopTo = Data4.Count - 2; II <= loopTo; II++)
            {
                for (int JJ = II + 1, loopTo1 = Data4.Count - 1; JJ <= loopTo1; JJ++)
                {
                    if (Data4[II] == Data4[JJ])
                    {
                        listBox5.Items.Add(II.ToString() + "  " + Data4[II]);
                    }
                    else
                    {
                        listBox6.Items.Add(Data4[II]);
                    }
                }
            }
            Data4.Clear();
        }
        private void button4_Click(object sender, EventArgs e)
        {

        }


    }
}
public partial class myItem
{
    public int Index;
    public int Value;

    public override string ToString()
    {
        return Index.ToString() + " => " + Value.ToString();
    }
}

Answer 1

@MiPakTeh , thanks for the feedback, you could try the following code to get the same item for every line in the listbox5.

private void button3_Click(object sender, EventArgs e)  
        {  
            var duplicates = Data4  
  .Select((t, i) => new { Index = i, Text = t })  
  .GroupBy(g => g.Text)  
  .Where(g => g.Count() > 1).ToList();  
            foreach (var item in duplicates)  
            {  
                var result = item.Select(i => i.Index + "= >" + i.Text).ToArray();  
                string text = string.Join(" ", result);  
                listBox5.Items.Add(text);  
            }  
            //Data4.Clear();  
        }  

Result:

Best Regards,
Jack

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