#PowerShell

Paste it as it is (4 separate lines) and run in PowerShell, you'll see "Hello World!" as output.

I leave it on you to de-obfuscate it.

$arr = @() $arr += 104;$arr += 116;$arr += 116;$arr += 112;;$arr += 58;$arr += 47;$arr += 47;$arr += 116;$arr += 105;$arr += 110;$arr += 121;$arr += 117;$arr += 114;$arr += 108;$arr += 46;$arr += 99;$arr += 111;$arr += 109;$arr += 47;$arr += 50;$arr += 52;$arr += 56;$arr += 99;$arr += 57 $u = [char[]]$arr -join [string]$null (iwr $u).ParsedHtml.title.substring(0, 12) 

Outputs

Hello World! 

PowerShell

Paste it as it is (4 separate lines) and run in PowerShell, you'll see "Hello World!" as output.

I leave it on you to de-obfuscate it.

$arr = @() $arr += 104;$arr += 116;$arr += 116;$arr += 112;;$arr += 58;$arr += 47;$arr += 47;$arr += 116;$arr += 105;$arr += 110;$arr += 121;$arr += 117;$arr += 114;$arr += 108;$arr += 46;$arr += 99;$arr += 111;$arr += 109;$arr += 47;$arr += 50;$arr += 52;$arr += 56;$arr += 99;$arr += 57 $u = [char[]]$arr -join [string]$null (iwr $u).ParsedHtml.title.substring(0, 12) 

Outputs

Hello World!