ladybird/Tests/LibJS/Runtime/regexp-greedy-builtin-classes-ignore-case.js at 10ce847931549b91d9a7fc8085a43b9403bf0b8d - ladybird - lab48

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Andreas Kling a03d1f8a5f LibRegex: Fix greedy \w and \W ignore-case handling

Keep the greedy built-in class fast path aligned with the regular VM
matcher for non-Unicode regexps. Without this, /\w+/i and /\W+/i
wrongly applied Unicode ignore-case behavior in the optimized loop.

2026-03-27 17:32:19 +01:00

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 test("greedy \\w and \\W do not apply unicode ignore-case behavior without /u", () => {
     expect(/\w/i.exec("ſ")).toBeNull();
     expect(/\w+/i.exec("ſ")).toBeNull();
     expect(/\W+/i.exec("a😀ſZ")[0]).toBe("😀ſ");
 });