How to Replace Character at Specific Index in String in C - Step by Step Examples

How to Replace Character at Specific Index in String in C ?

Answer

To replace a character at a specific index in a string in C, you need to manipulate the string as an array of characters and directly assign the new character at the desired index.


✐ Examples

1 Replace character at specific index in a string

In this example,

  1. We create a character array str initialized with the original string.
  2. We replace the character at index index with the character newChar.
  3. Finally, we print the modified string str.

C Program

#include <stdio.h>

int main() {
    char str[] = "Hello World";
    int index = 6;
    char newChar = 'x';
    str[index] = newChar;
    printf("%s\n", str);
    return 0;
}

Output

Hello xorld

Summary

In this tutorial, we learned How to Replace Character at Specific Index in String in C language with well detailed examples.


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