regex - Regex: Replace letters/words in a string (Powershell)

Question

I need some helüp regarding regex.

I have this Input

$input=@("Microsoft Windows Server 2003, Standard Editon", "Microsoft Windows Server 2003 Standard Editon")

what I want is that Ouput

$input.Replace($pattern,"R2")

Microsoft Windows Server 2003 R2 Standard Editon

Microsoft Windows Server 2003 R2 Standard Editon

#

I do not know how to create the $pattern for this one...

Please can u help me

Kind Regards

Answer 1

   @("Microsoft Windows Server 2003, Standard Editon", "Microsoft Windows Server 2003 Standard Editon") | % {$_ -replace "\d+", "2003 R2"}

Answer 2

如果你真的只想在所有“标准”之前添加一个“R2”，试试这个：

,? (?=Standard)

我认为这完全符合您的要求。

( ?=Standard)抓住“标准”背后的内容。

尝试使用在线正则表达式测试器，例如regexpal.com来测试您的代码。