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$ip = '192.168.0.84';
$mask = '255.255.255.0';
$network = '192.168.0';
$ip = ......
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<?php
function checkMobile($str)
{
$pattern = "/^(13|15)\d{9}$/";
if (preg_match($pattern,$str))
{
Return true;
}
else
{
Return false;
}
}
$str = checkMobile("15800000001");
......
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