Iranian MeliCode Validation

meli-code.js

function checkMeliCode(code)
{
    if(!/^\d{8,10}$/.test(code) || /^(0{8,10}|1{8,10}|2{8,10}|3{8,10}|4{8,10}|5{8,10}|6{8,10}|7{8,10}|8{8,10}|9{8,10})$/.test(code))
        return false;
    var L=code.length, _=0;
    for(i=0;i<L-1;i++)
        _+=code.charAt(i)*(L-i);
    _%=11;
    return (code.charAt(L-1)==((_<2)?_:11-_))
}

meli-code.php

function checkMeliCode($code)
{
    if(!preg_match('/^\d{8,10}$/', $code) OR preg_match('/^(0{8,10}|1{8,10}|2{8,10}|3{8,10}|4{8,10}|5{8,10}|6{8,10}|7{8,10}|8{8,10}|9{8,10})$/', $code))
        return false;
    $code = (string) $code;
    $L = strlen($code);
    $_=0;
    for($i=0;$i<$L-1;$i  )
        $_ =$code[$i]*($L-$i);
    $_%=11;
    return ($code[$L-1]==(($_<2)?$_:11-$_));
}