uppercase for all
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@ -14,7 +14,11 @@ class UppercaseValidationRule extends ValidationRule {
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String get name => translate('uppercase');
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@override
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bool validate(String value) {
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return value.contains(RegExp(r'[A-Z]'));
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return value.runes.any((int rune) {
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var character = String.fromCharCode(rune);
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return character.toUpperCase() == character &&
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character.toLowerCase() != character;
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});
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}
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}
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