Make AnsiRegex able to capture Hyperlink ansi sequences (#17442)

* Add the hyperlink ansi regex

* Add test

* Add comment

src/System.Management.Automation/FormatAndOutput/common/StringDecorated.cs

@@ -109,8 +109,11 @@ namespace System.Management.Automation.Internal
         // CSI escape sequences
         private const string CsiRegex = @"(\x1b\[\?\d+[hl])";
 
+        // Hyperlink escape sequences. Note: '.*?' makes '.*' do non-greedy match.
+        private const string HyperlinkRegex = @"(\x1b\]8;;.*?\x1b\\)";
+
         // replace regex with .NET 6 API once available
-        internal static readonly Regex AnsiRegex = new Regex($"{GraphicsRegex}|{CsiRegex}", RegexOptions.Compiled);
+        internal static readonly Regex AnsiRegex = new Regex($"{GraphicsRegex}|{CsiRegex}|{HyperlinkRegex}", RegexOptions.Compiled);
 
         /// <summary>
         /// Get the ranges of all escape sequences in the text.

test/powershell/engine/Formatting/PSStyle.Tests.ps1

@@ -277,6 +277,15 @@ Describe 'Tests for $PSStyle automatic variable' {
         $result = & $pwsh -noprofile -Command { $PSStyle.Progress.UseOSCIndicator = $true; 'hello'} | Format-List
         $result | Out-String -Stream | Should -BeExactly 'hello'
     }
+
+    It 'Able to handle Hyperlink ansi sequences' {
+        $word = "This is a link"
+        $hyperlink = $PSStyle.FormatHyperlink($word, "some random text as a link")
+        $strDec = [System.Management.Automation.Internal.StringDecorated]::new($hyperlink)
+        $strDec.IsDecorated | Should -BeTrue
+        $strDec.ContentLength | Should -Be $word.Length
+        $strDec.ToString("PlainText") | Should -Be $word
+    }
 }
 
 Describe 'Handle strings with escape sequences in formatting' {