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<?php $regex = '/^[-a-zàáâãäåæçèéêëìíîïðñòóôõöøùúûüý€ß0-9%\s*.\'+\’\/"_,?#@:;^*!&() ]*$/i'; $value = 'hallo welt'; var_dump(preg_match($regex, $value) == 1);

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