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run code in 150+ php & hhvm versions
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<?php function check($value) { return (bool)preg_match('/^([A-ZА-Я]{1}[A-Za-zА-Яа-я]+){1}([\-\s]{1}[A-ZА-Я]{1}[A-Za-zА-Яа-я]+)*$/u', $value); }; $test = 'Тест'; var_dump(check($test));
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for 4.3.0 - 4.3.2
bool(false)