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

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

Answer

To replace a character at a specific index in a string in Dart, you can convert the string to a list of characters, modify the character at the desired index, and then join the characters back into a string.

✐ Examples

1 Replace character at specific index in a string

In this example,

We create a string named str.
We convert the string to a list of characters using split('').
We replace the character at index index with the character newChar.
We join the characters back into a string using join('').
Finally, we print the modified string str.

Dart Program

void main() {
  String str = "Hello World";
  int index = 6;
  String newChar = 'x';
  List<String> charList = str.split('');
  charList[index] = newChar;
  str = charList.join('');
  print(str);
}

Output

Hello xorld

Summary

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

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