This post contains a total of 22+ Hand-Picked C# Program examples to Reverse a String, with Source Code. All the Programs are made using C# Programming language.
You can use the source code of these programs for educational use with credits to the original owner.
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1. By I Am Nick
Made by I Am Nick. Simple C# Program to reverse a string. Enter your own string in line ‘string text = “Practice Means Perfect’. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn {
class Program {
static void Main(string[] args) {
// sample text
string text = "Practice Means Perfect";
text = String.Join(
" ", text.Split(' ').Reverse());
Console.Write(text);
}
}
}
2. By Mouadh Ben Abdallah
Made by Mouadh Ben Abdallah. Input string after running the program. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Mouadh
{
class Program
{
static void Main(string[] args)
{
string word ,str="";
word=Console.ReadLine();
for (int i =0; i <word.Length; i++)
{
str =word[i]+str;
}
Console.Write(str);
}
}
}
3. By Akash Pal
Made by Akash Pal. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string str ="", reverse ="" ;
int Length = 0;
Console.WriteLine("Enter a word");
str = Console.ReadLine();
Length = str.Length-1;
while (Length>=0) {
reverse = reverse + str[Length];
Length--;
}
Console.WriteLine("This is your Reverse Word : {0}",reverse);
Console.ReadLine();
if(str == reverse){
Console.WriteLine("This is palindrome ");
}else{
Console.WriteLine("This is not palindrome ");
}
}
}
}
4. By Armen
Made by Armen. C# Program to reverse a string. ( Source )
//input only one time
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
public static void Reverse(out string text)
{
text = Console.ReadLine();
char[] charT = text.ToCharArray();
string reverse = String.Empty;
for (int i = charT.Length - 1; i > -1; i--)
{
reverse += charT[i];
}
Console.WriteLine(reverse);
}
static void Main(string[] args)
{
string text;
Reverse(out text);
}
}
}
5. By Akash Pal
Made by Akash Pal. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string str = Console.ReadLine();
var chrArray = str.ToCharArray();
Array.Reverse(chrArray);
str= new String(chrArray);
Console.WriteLine("Reverse word is {0}",str);
Console.ReadLine();
}
}
}
6. By Mateusz Legend
Made by Mateusz Legend. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string s = Console.ReadLine();
Console.WriteLine(StringReverse.ReverseWords(s));
}
static class StringReverse{
public static string ReverseWords(string word)
{
char[] rev = word.ToCharArray();
Array.Reverse(rev);
return new string(rev);
}}
}
}
7. By WittyBit
Made by WittyBit. String reverse as CharArray. ( Source )
using System;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string text = "Some string, that we want to reverse. Your advertisment might be here :D";
string reversed = Reverse(text);
Console.WriteLine("Normal:\n" + text);
Console.WriteLine("Reversed:\n" + reversed);
}
static string Reverse(string s)
{
char[] resArr = s.ToCharArray();
int left = 0;
int right = resArr.Length - 1;
while (right > left)
{
char tmp = resArr[left];
resArr[left] = resArr[right];
resArr[right] = tmp;
++left;
--right;
}
return new string(resArr);
}
}
}
8. By Mohammad Zafar
Made by Mohammad Zafar. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string origin = Console.ReadLine();
string reverse ="";
for(int i = origin.Length-1; i>=0; i--)
{
reverse += origin[i];
}
Console.WriteLine("Reverse: " + reverse);
}
}
}
9. By Valdemar Arslanovic Fuglsang
Made by Valdemar Arslanovic Fuglsang. Reverse a text string in c# with the Stack class. Just enter a string you want to reverse. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
Stack<char> st = new Stack<char>();
Console.WriteLine("Pleas enter a string to reverse!");
Console.WriteLine();
string txt = Console.ReadLine();
Console.Write(txt + " = ");
foreach (char a in txt)
{
st.Push(a);
}
foreach (char a in txt)
{
Console.Write(st.Pop());
}
}
}
}
10. By Mohanad Alkhaier
Made by Mohanad Alkhaier. ( Source )
using System;
namespace TEST
{
class Program
{
static void Main(string[] args)
{
string str = "Welcome";
string strR = "";
for (int x = str.Length-1; x>=0; x--)
{
strR += str[x];
}
Console.WriteLine(strR);
}
}
}11. By Michael
Made by Michael. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
namespace SoloLearn
{
static class Extend{
public static string reverse(this string value){
return new string(value.ToCharArray().Reverse().ToArray());
}
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("See your name reverse ed");
string myname = Console.ReadLine();
Console.WriteLine(myname.reverse());
}
}
}
12. By Piotr
Made by Piotr. Enter your string in line ‘ Console.WriteLine(StringP.Reverse(“mama”)); ‘. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class StringP
{
public static string Reverse(string a)
{
string revr = "";
for(int i = a.Length-1;i>=0;i--)
{
revr+=a[i];
}
return(revr);
}
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine(StringP.Reverse("mama"));
}
}
}
13. By Uliana Dzyoba
Made by Uliana Dzyoba. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
Console.Write("Type a string: ");
string str = Console.ReadLine();
Console.WriteLine(str);
Console.WriteLine("Reversed string: " + ReverseString(str));
}
static string ReverseString (string str)
{
char[] arr = str.ToCharArray();
int i, j;
for (i = 0, j = arr.Length - 1; i < j; i++, j--)
{
char temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
string reversed = new string(arr);
return reversed;
}
}
}
14. By IcyJake
Made by IcyJake. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace soloLearn
{
class program
{
static void Main(string[] args)
{
Console.WriteLine("This was created by IcyJake!\n");
Console.WriteLine("Please enter a string you wish to reverse: \n");
String input = Console.ReadLine();
Console.WriteLine("Result: " + reverseTestString(input));
}
static string reverseTestString(String stringToReverse)
{
char[] reverseArray = stringToReverse.ToCharArray();
Array.Reverse(reverseArray);
return new string(reverseArray);
}
}
}15. By Alphanum3ric
Made by Alphanum3ric. Reverse a String using StringBuilder. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
/*
Input any word
*/
class Program
{
public static string getReverse(string number)
{
StringBuilder reverse = new StringBuilder();
for(int i = number.Length-1; i >=0; i--)
{
char[] element = number.ToCharArray();
reverse.Append(element[i]);
}
return reverse.ToString();
}
static void Main(string[] args)
{
string s = Console.ReadLine();
string reverse = getReverse(s);
Console.WriteLine(reverse);
}
}
}
16. By Fernando Pozzetti
Made by Fernando Pozzetti. Simple C# program to reverse a string. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//sorry for the weird indentation, I got used to this for some reason.
namespace SoloLearn
{
class Program
{
static public string reverse(string s)
{
if (s.Length != 0) // if the string is NOT empty
{
char[] charArray = s.ToCharArray(); // creates CharArray from string s
Array.Reverse(charArray); // uses native Array.Reverse method
return new string(charArray); //returns string
}
else //if s is empty
{
return s; //returns empty string
}
}
static void Main(string[] args) //main
{
string reverseme = "This should be reversed"; //created string
Console.WriteLine(reverse(reverseme)); //using the method
}
}
}17. By Felix
Made by Felix. Enter your string in line ‘ string testString = “This is a string. Reverse it immediately” ‘. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
/*
C# program that reverses a string
*/
namespace SoloLearn{
class StringReverse {
// String is reversed here
static string Reverse(string inputString){
// Length - 1 not to exceed string bounds
int n = inputString.Length - 1;
// Use StringBuilder for performance
StringBuilder sb = new StringBuilder();
for(int i = 0; i <= n; i++){
// Access characters of a string like elements of an array
sb.Append(inputString[n-i]);
}
return sb.ToString();
}
static void Main(string[] args){
string testString = "This is a string. Reverse it immediately";
Console.WriteLine(testString);
Console.Write("\n");
Console.WriteLine(Reverse(testString));
}
}
}
18. By George Tsiga
Made by George Tsiga. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string word = "nraeLoloS";
StringBuilder sb = new StringBuilder();
char[] wordArr = word.ToCharArray();
int size = wordArr.Length-1;
for(int i =size;i>=0 ;i--){
sb.Append(wordArr[i].ToString());
}
Console.WriteLine(sb.ToString());
}
}
}
19. By THUNDER
Made by THUNDER. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
//sample text
string reverse = Console.ReadLine();
Console.WriteLine("you entered :{0}",reverse);
//reversed sample text
char[]di=reverse.ToCharArray();
Array.Reverse(di);
Console.Write ("your result is :");
Console.Write(di);
}
}
}
20. By Flamur Zejneli
Made by Flamur Zejneli. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace stringReverseTest
{
class Program
{
static void Main(string[] args)
{
Console.Write("Eingabe: ");
string input = Console.ReadLine();
string output = "";
for (int i = input.Length - 1; i >= 0; i--)
{
output = output + input[i];
}
Console.WriteLine(output);
Console.ReadKey();
}
}
}
21. By kolepusac
Made by kolepusac. ( Source )
/*Input string*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static char[] makeArray(string name)
{
int n = name.Length;
char[] niz = new char[n];
for (int i = n-1, j = 0; i >= 0 && j < n; i--, j++)
{
niz[j] = name[i];
}
return niz;
}
static void Main(string[] args)
{
//Console.Write("Input a string: ");
string x = Convert.ToString(Console.ReadLine());
int n = x.Length;
Console.Write("Your string: "+x+" .");
Console.WriteLine();
Console.Write("Reverse string: ");
char[] niz = makeArray(x);
for (int i = 0; i < n; i++)
{
if (i != n - 1)
Console.Write(niz[i]);
else
Console.Write(niz[i] + " .");
}
Console.ReadKey();
}
}
}
22. By Theodore E. Mcfjall
Made by Theodore E. Mcfjall. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string input = Console.ReadLine();
char[] array = input.ToCharArray();
Array.Reverse(array);
Console.WriteLine(array);
}
}
}
23. By Nikolay Ganev
Made by Nikolay Ganev. ( Source )
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Enter a string and see it reversed.");
string text = Console.ReadLine();
char[] reverse = text.ToCharArray();
Array.Reverse(reverse);
string newText = new string(reverse);
Console.WriteLine("Reversed string: "+newText);
}
}
}