使用RegEx从AssemblyInfo文件中读取AssemblyInformationalVersion值 [英] Reading AssemblyInformationalVersion value from AssemblyInfo file with RegEx

问题描述

我正在尝试使用msbuild从AssemblyInfo文件中读取AssemblyInformationalVersion，但是到目前为止，我还是失败了.下面的一个让我知道数字，但是我需要在引号内输入整个内容:

I'm trying to read the AssemblyInformationalVersion from the AssemblyInfo file with msbuild but I am failing so far. The below one gets me the digits but I need to whole input inside quotes:

<PropertyGroup>
  <Pattern>\[assembly: AssemblyInformationalVersion\(.(\d+)\.(\d+)\.(\d+)</Pattern>
  <In>@(ItemsFromFile)</In>
  <Out>$([System.Text.RegularExpressions.Regex]::Match($(In), $(Pattern)))</Out>
</PropertyGroup>

<Message Text="Output : $(Out.Remove(0, 41))"/>

这是目标行，例如:

[assembly: AssemblyInformationalVersion("0.3.0-pre01")]

有什么主意吗?

推荐答案

如果只需要引号的内容，则应该可以使用如下表达式来获取它:

If you just need the contents of the quotes you should be able to grab it with an expression like this:

(?<=\[assembly: AssemblyInformationalVersion\(").*(?="\)\])

我猜想您可以在msbuild正则表达式中使用正向查找/向后查找.

I presume you can use positive lookahead/lookbehind in msbuild regexes.

积极地向前看和向后看:

Positive lookahead and lookbehind respectivly:

Match this(?=Where this is present ) (?<=Where this is present )Match this

Match this(?=Where this is present ) (?<=Where this is present )Match this

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