свойство pattern

переопределение

Реализация

String get pattern;

void pattern=(Строка значение)

переопределение

set pattern(String value);

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/EmailInputElement/pattern.html