How to Replace multiple Spaces with a Single Space in String in Dart - Step by Step Examples

How to Replace multiple Spaces with a Single Space in String in Dart ?

To replace multiple spaces with a single space in Dart, you can use regular expressions and the `replaceAll` method.

In this example,

We import the dart:core library.
We create a regular expression pattern \s+ to match multiple spaces.
We use the replaceAll method to replace multiple spaces with a single space in the string str.
Finally, we print the modified string str.

void main() {
  String str = "This   is    a  test   string";
  String modifiedStr = str.replaceAll(RegExp('\s+'), ' ');
  print(modifiedStr);
}

This is a test string

In this tutorial, we learned How to Replace multiple Spaces with a Single Space in String in Dart language with well detailed examples.