public string RepeatedWordChecker(string input)
{
input = input.ToLower();
string[] inputArray = input.Split(" ");
HashTable table = new HashTable();
foreach (string word in inputArray)
{
if (table.Contains(word))
{
return(word);
}
table.Add(word);
}
return(null);
}
public static string RepeatedWord(string word)
{
string[] words = word.Split(' ');
HashTable newTable = new HashTable();
for (int i = 0; i < words.Length; i++)
{
string repeated = Regex.Replace(words[i].ToLower(), @"(\p{P})]", "");
if (newTable.Contains(repeated))
{
return(newTable.Get(repeated).Value);
}
newTable.Add(repeated, repeated);
}
return("All unique words");
}
/// <summary>
/// finds the first word that repeats in a string
/// </summary>
/// <param name="sentence"> the inputted string</param>
/// <returns> the repeated word in the string</returns>
public static string FindRepeatedWord(string sentence)
{
char[] charArray = new char[] { ',', '/', '!', ' ', '?' };
string[] stringArr = sentence.Split(charArray);
int v = 0;
string repeat = "Not Found";
HashTable <int> Table = new HashTable <int>(sentence.Length * 2);
foreach (string item in stringArr)
{
if (Table.Contains(item.ToUpper()))
{
return(repeat = item.ToLower());
}
else
{
Table.Add(item.ToUpper(), v);
v++;
}
}
return(repeat);
}
/// <summary>
/// This takes in a string and returns the first repeated word.
/// </summary>
/// <param name="input">The input string</param>
/// <returns>The first repeated word</returns>
public static string RepeatedWord(string input)
{
if (input == null)
{
return("");
}
string[] array = input.Split(" ");
HashTable uniqueWords = new HashTable();
foreach (string word in array)
{
string replacePeriod = word.Replace(".", "");
string replaceCommaAndPeriod = replacePeriod.Replace(",", "");
try
{
uniqueWords.Add(replaceCommaAndPeriod.ToLower(), 1);
}
catch (Exception)
{
return(replaceCommaAndPeriod);
}
}
return("");
}