fix: Restrict continue comment to whitespace separated slashes

[RedCMD]

fixes #298057

comments now must take up an entire line
OR
be surrounded with at least one whitespace before and after

cc @aiday-mar

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Updates multiple VS Code language configurations to unify and simplify onEnterRules behavior for continuing // (and /// in C#) comments when pressing Enter.

Changes:

• Standardized beforeText / afterText regexes for // line-comment continuation across many extensions.
• Simplified several configs from { "pattern": "..." } objects to plain regex strings for beforeText / afterText.
• Adjusted C# rules to correctly continue /// documentation comments separately from // line comments.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
extensions/typescript-basics/language-configuration.json	Replaces prior TS-specific regex with a shared // continuation pattern.
extensions/swift/language-configuration.json	Simplifies beforeText/afterText patterns and standardizes // continuation.
extensions/rust/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/php/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/objective-c/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/less/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/json/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/javascript/javascript-language-configuration.json	Replaces prior JS-specific regex with a shared // continuation pattern.
extensions/java/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/groovy/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/go/language-configuration.json	Simplifies and standardizes // continuation rule patterns.
extensions/csharp/language-configuration.json	Splits handling of /// doc comments vs // line comments and standardizes patterns.
extensions/cpp/language-configuration.json	Simplifies and standardizes // continuation rule patterns.

[dmitrivMS]

@RedCMD Could you please address the other Copilot comments?

[RedCMD]

I had addressed the comments in the original description before copilot spoke

[dmitrivMS]

@RedCMD Thanks, because of how internal process for code-reviews works, it's best to resolve them if they are addressed - this will expedite the process.