using System;

using System.Collections.Generic;

public class ReadTextFileWithNumbers {

​

    static char[] delimiterChars = { ' ', ',', '.', ':', '\t' };

      static Dictionary<string, string> dict = new Dictionary<string, string> ();

      public static void Main (string[] args) {

         string text = "one\ttwo three:four,five six seven";

         ProcessWords (text);

         text = "one\t2 three:4,five 6 seven";

         ProcessWords (text);

         text = "00\t0000000  0120:0111111111 ,0120 0120 0120";

         ProcessWords (text);

      }

​

      static void ProcessWords (string text) {

         // Console.WriteLine ($"Original text: '{text}'");

         string[] words = text.Split (delimiterChars);

         // Console.WriteLine ($"{words.Length} words in text!");

         dict.Clear ();

         // Checks words in pair

         for (int i = 0; i + 1 < words.Length; i+=2) {

            // Checks if word is of number (change it as per your requirement)

            if (int.TryParse (words[i], out int _) && int.TryParse (words[i+1], out int _)) {

               dict.Add (words[i], words[i+1]);

               // process the word

            }

         }

         if (dict.Count == 0) Console.WriteLine ("No pair with Integer values");

         foreach (var d in dict) {

            // Process the data

            Console.WriteLine ($"{d.Key} - {d.Value}");

         }

         Console.WriteLine ();

      }

}