regex101: PCRE (Legacy) Match Workspace

Regular Expression

^(\s+)<ProjectReference(.|\s)+?(Project2)</Name>(.|\s)+?</ProjectReference>

New

    <ProjectReference Include="..\..\Project1\Project1\Project1.csproj">
      <Project>{714c6b26-c609-40a4-80a9-421bd842562d}</Project>
      <Name>Project1</Name>
    </ProjectReference>


  <ItemGroup>
    <ProjectReference Include="..\..\Project2\Project2.csproj">
      <Project>{6c2a7631-8b47-4ae9-a68f-f728666105b9}</Project>
      <Name>Project2</Name>
    </ProjectReference>
    <ProjectReference Include="..\..\Project3\Project3\Project3.csproj">
      <Project>{39860208-8146-429f-a1d1-5f8ed2fd7f5f}</Project>
      <Name>Project3</Name>
    </ProjectReference>
    <ProjectReference Include="..\..\Project4\Project4.csproj">
      <Project>{58144d60-19d9-4d11-8ae6-088e03ccf874}</Project>
      <Name>Project4</Name>
    </ProjectReference>
    <ProjectReference Include="..\..\Project5\Project5.csproj">
      <Project>{33baa509-ad24-4a72-a2fc-8f297e75e90d}</Project>
      <Name>Project5</Name>
    </ProjectReference>
  </ItemGroup>
  <PropertyGroup>
    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
  </PropertyGroup>

Regular Expressions 101

Regular Expression

Substitution