[Webkit-unassigned] [Bug 275672] New: Implement RegExp modifiers (stage3 proposal)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=275672

            Bug ID: 275672
           Summary: Implement RegExp modifiers (stage3 proposal)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jarred at jarredsumner.com

The TC39 Regular Expression Pattern Modifiers for ECMAScript proposal has reached stage3 - https://github.com/tc39/proposal-regexp-modifiers

It shipped in V8 in Chrome 125/Edge 125

It adds syntax like the below:

```
/(?i:test)/.test('Test');
```


Currently, this throws an error like:
```
SyntaxError: Invalid regular expression: unrecognized character after (?
```

Related issue: https://github.com/oven-sh/bun/issues/11960

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