<?php
$inputData = "ы434Рп";
$regexp = '/^ [а-яё]\d{3}[а-яё]{2}$/ui';
echo "true\n";
} else {
echo "false\n";
};
PD9waHAKCmVycm9yX3JlcG9ydGluZygtMSk7CgokaW5wdXREYXRhID0gItGLNDM00KDQvyI7CiRyZWdleHAgPSAnL14gW9CwLdGP0ZFdXGR7M31b0LAt0Y/RkV17Mn0kL3VpJzsKaWYgKHByZWdfbWF0Y2goJHJlZ2V4cCwgJGlucHV0RGF0YSkpIHsKCWVjaG8gInRydWVcbiI7Cn0gZWxzZSB7CgllY2hvICJmYWxzZVxuIjsKfTs=