This library uses AngelSharp to parse an HTML string into a document object model. The library targets .NET Framework 4.7.2 so that it is compatible with Windows PowerShell.
Compiling in Windows PowerShell
git clone https://github.com/nstevens1040/AngleSharp.DOMParser.git
cd .\AngleSharp.DOMParser\
MSBuild.exe -p:RestorePackagesConfig=true -t:restore
MSBuild.exe .\AngleSharp.DOMParser\AngleSharp.DOMParser.csprojInto Windows PowerShell and then test it.
Add-Type -Path .\AngleSharp.DOMParser\bin\build\AngleSharp.DomParser.dll
$html_string = @"
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width,initial-scale=1"/>
<title>Testing HTML</title>
</head>
<body>
<h1>Heading</h1>
<article>
<section>
<h2>subtitle</h2>
<p>paragraph</p>
<span id="test">Test succeeded!</span>
</section>
</article>
</body>
</html>
"@
$document = [AngleSharp.DomParser]::GetDomDocument($html_string)
$document.GetElementById("test").TextContentIf the test succeeds, then your PowerShell output will be
Test succeeded!