IsARPName

static IsARPName(const name[MAX_PLAYER_NAME])
{
    if(name[0] != '_' && name[1] != '_' && name[2] != '_')
    {
        new posUnder = strfind(name, "_", true, 3);

        if(!~posUnder)
            return false;

        if(!(posUnder <= ((strlen(name) - 1) - 3)))
            return false;

        return (name[posUnder + 1] != '_' && name[posUnder + 2] != '_' && name[posUnder + 3] != '_');
    }
    return false;
}