simple expression match for blog

ExpressionSwitchSample.ps1

$num = 4
Switch($num)
{
    {$num -lt 5} {write-host "less than 5!" -ForegroundColor Magenta;break}
    {$num -lt 10} {write-host "less than 10!" -ForegroundColor green;break}
    {$num -lt 15} {write-host "less than 15!" -ForegroundColor cyan;break}
    default {write-host "greater than or equal to 15" -ForegroundColor yellow}
}