René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`StringDecorated` class doesn't recognize `\u003cesc\u003e[m ` as the  ANSI reset escape sequence, requires `\u003cesc\u003e[0m`","articleBody":"### Prerequisites\r\n\r\n- [X] Write a descriptive title.\r\n- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)\r\n- [X] Search the existing issues.\r\n- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).\r\n- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://docs.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).\r\n\r\n### Steps to reproduce\r\n\r\n``\"`e[m \"`` is a valid ANSI escape sequence that resets current formatting, short for ``\"`e[0m \"`` \r\n\r\nThe `StringDecorated` currently doesn't recognize it, and retains it as part of the data when plain-text conversion is requested.\r\n\r\n```powershell\r\n# If you output the string directly to the terminal, you'll see that the trailing \".\" is NOT green anymore,\r\n# proving that \"`e[m\"` was effective in resetting the color.\r\n([System.Management.Automation.Internal.StringDecorated]::new(\"`e[32mgreen`e[m.\")).ToString('PlainText') | Format-Hex\r\n```\r\n\r\nNote:\r\n\r\n* Because _terminals_ recognize ``\"`e[m \"`` correctly, the problem is usually _hidden_ when the class is used behind the scenes in conjunction with `$PSStyle.OutputRendering = 'PlainText'`,  e.g. with\r\n`$PSStyle.OutputRendering = 'PlainText'; wsl -e printf '\\e[32mgreen\\e[m.' | Out-Host`.\r\n\r\n* However, due to the - inappropriately closed - #18771 - it currently _does_ surface in `conhost.exe` windows on Windows.\r\n\r\n\r\n\r\n### Expected behavior\r\n\r\n```console\r\nLabel: String (System.String) \u003c7E780A95\u003e\r\n\r\n          Offset Bytes                                           Ascii\r\n                 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\r\n          ------ ----------------------------------------------- -----\r\n0000000000000000 67 72 65 65 6E 2E                               green.\r\n```\r\n\r\n\r\n### Actual behavior\r\n\r\n```console\r\nLabel: String (System.String) \u003c56784E4B\u003e\r\n\r\n          Offset Bytes                                           Ascii\r\n                 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\r\n          ------ ----------------------------------------------- -----\r\n0000000000000000 67 72 65 65 6E 1B 5B 6D 2E                      green�[m.\r\n```\r\n\r\nNote the extraneous `�[m` part in the `Ascii` column, showing that `` `e[m `` was unexpectedly retained.\r\n\r\n\r\n### Error details\r\n\r\n_No response_\r\n\r\n### Environment data\r\n\r\n```powershell\r\nPowerShell Core 7.4.0-preview.1\r\n```\r\n\r\n\r\n### Visuals\r\n\r\n_No response_","author":{"url":"https://github.com/mklement0","@type":"Person","name":"mklement0"},"datePublished":"2023-02-28T21:45:41.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/19246/PowerShell/issues/19246"}