19 lines
535 B
Dart
19 lines
535 B
Dart
class PasswordPolicy {
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static const defaultPassword = 'Cc@12345678';
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static final RegExp _validPassword = RegExp(
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r'^(?=.*[A-Z])(?=.*[a-z])(?=.*\d)(?=.*[!#@*&])[A-Za-z\d!#@*&]{8,16}$',
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);
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static bool requiresChange(String? password) {
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return password == defaultPassword;
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}
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static String? validate(String password) {
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if (_validPassword.hasMatch(password)) {
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return null;
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}
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return '密码长度为8-16位，且必须包含大写字母、小写字母、数字和特殊符号（!#@*&）。';
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}
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}
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