Dart Uri userInfo
Syntax & Examples

Uri.userInfo property

The `userInfo` property in Dart's Uri class returns the user info part of the authority component.

Syntax of Uri.userInfo

The syntax of Uri.userInfo property is:

 String userInfo

This userInfo property of Uri returns the user info part of the authority component.

Return Type

Uri.userInfo returns value of type String.


✐ Examples

1 Getting user info from an HTTP URI with user info

In this example,

  1. We parse an HTTP URI with user info.
  2. We access the `userInfo` property of the URI.
  3. We print the user info to standard output.

Dart Program

void main() {
  Uri uri1 = Uri.parse('https://user:pass@example.com');
  print(uri1.userInfo); // user:pass
}

Output

user:pass

2 Getting user info from an FTP URI without user info

In this example,

  1. We parse an FTP URI without user info.
  2. We access the `userInfo` property of the URI.
  3. We print an empty string since there is no user info.

Dart Program

void main() {
  Uri uri2 = Uri.parse('ftp://example.com');
  print(uri2.userInfo); // '' (empty string)
}

Output


Summary
In this Dart tutorial, we learned about userInfo property of Uri: the syntax and few working examples with output and detailed explanation for each example.