<?php
$inputData ='8-911-404-44-11';
$regexp ='!8-?\\(?-?[0-9]{3}\\)?-?[0-9]{3}-?[0-9]{2}-?[0-9]{2}$!';
$regexp1 ='![^0-9]!';
$regexp2 ='!\\+7-?\\(?-?[0-9]{3}\\)?-?[0-9]{3}-?[0-9]{2}-?[0-9]{2}$!';
echo $result;
} else {
echo $result;
} else {echo "Пожалуйста введите номер в верном формате.\n";
}
}
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