Flutter TextFormField 邮箱验证。

引用三方包

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dependencies:
  email_validator: '^1.0.0'

使用

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import 'package:email_validator/email_validator.dart';

...

Form(
  autovalidate: true,
  child: TextFormField(
    validator: (value) => EmailValidator.validate(value) ? null : "Please enter a valid email",
  ),
)