C# Sharp Exercises: Check if a given string starts with "w" and immediately followed by two "ww"
C# Sharp Basic: Exercise-43 with Solution
Write a C# program to check if a given string starts with "w" and immediately followed by two "ww".
Sample Solution:
C# Sharp Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
public class Exercise43 {
static void Main(string[] args)
{
Console.Write("Input a string : ");
string str = Console.ReadLine();
Console.WriteLine(test(str));
}
public static bool test(string str)
{
var ctr = 0;
for (var i = 0; i < str.Length-1; i++)
{
if (str[i].Equals('w')) ctr++;
if(str.Substring(i, 2).Equals("ww") && ctr > 2)
return true;
}
return false;
}
}
Sample Output:
Input a string : www False
Flowchart:
C# Sharp Code Editor:
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Previous: Write a C# program to create a new string where the first 4 characters will be in lower case. If the string is less than 4 characters then make the whole string in upper case.
Next: Write a C# program to create a new string of every other character (odd position) from the first position of a given string.
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