How to Replace All Occurrences of a Substring in a String in Dart - Step by Step Examples

How to Replace All Occurrences of a Substring in a String in Dart ?

To replace all occurrences of a substring in a string in Dart, you can use the replaceAll method.

In this example,

We create a string named str.
We call the replaceAll method on str with the substring to be replaced and the replacement string as arguments.
The replaceAll method returns a new string with all occurrences of the substring replaced.
Finally, we print the modified string.

void main() {
  String str = 'Hello World Hello';
  String newStr = str.replaceAll('Hello', 'Hi');
  print(newStr);
}

Hi World Hi

In this example,

We create a string named str.
We call the replaceAll method on str with the character to be replaced and the replacement character as arguments.
The replaceAll method returns a new string with all occurrences of the character replaced.
Finally, we print the modified string.

void main() {
  String str = 'Hello World Hello';
  String newStr = str.replaceAll('o', 'X');
  print(newStr);
}

HellX WXrld HellX

In this tutorial, we learned How to Replace All Occurrences of a Substring in a String in Dart language with well detailed examples.