Change your code as follows 

if ($expire !~m#^(1|2|3|4|5|6|7|8|9|10|11|12|13|14)$#)
{
    die "Don't tamper with me!";
}

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Update:: Remove doubel "|" to single

In reply to Re: IF Statement Testing by gopalr
in thread IF Statement Testing by Anonymous Monk

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