- mb_ereg: documentation ( source)
<?php
$text = 'بيتر هو صبي.'; // arabic
if(mb_ereg('[\x{0600}-\x{06FF}]', $text)) // arabic range
//if(mb_ereg('[\x{0590}-\x{05FF}]', $text)) // hebrew range
{
echo "Text has some arabic/hebrew characters.";
}
else
{
echo "Text doesnt have arabic/hebrew characters.";
}