Intent to ship: RegExp `dotAll` mode / `s` flag

[Mathias Bynens]

Contact emails

jgr...@chromium.org, mat...@chromium.org

Spec

https://github.com/tc39/proposal-regexp-dotall-flag (stage 3 proposal)

Summary

The new s flag for ECMAScript regular expressions makes . match any character, including line terminators.

Link to “Intent to Implement” blink-dev discussion

There was none.

Is this feature supported on all six Blink platforms (Windows, Mac, Linux, Chrome OS, Android, and Android WebView)?

Yes.

Demo link

None. The explainer in the proposal offers some examples.

Interoperability and Compatibility Risk

The meaning of existing regular expression patterns isn’t affected by this proposal since the new s flag is required to opt-in to the new behavior.

Edge/Chakra: public support; tracking issue: https://github.com/Microsoft/ChakraCore/issues/2787

Firefox/SpiderMonkey: no signals; tracking issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1361856

Safari/JavaScriptCore: no signals; tracking issue: https://bugs.webkit.org/show_bug.cgi?id=172634

Web developers: positive signals

Is this feature fully tested?

Yes. In addition to V8’s own tests, Test262 includes tests for this feature.

OWP launch tracking bug

https://bugs.chromium.org/p/v8/issues/detail?id=6172

Entry on the feature dashboard

https://www.chromestatus.com/features/5644209772036096

[Adam Klein]

This LGTM to ship. Note that since this is a V8/JS feature, it's just an FYI to blink-dev; it doesn't need signoff from Blink API owners.

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[Mathias Bynens]

For future reference: this landed in V8 v6.2.66 and should thus be available in Chrome 62.

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[วีสัน ทำมะ]

Wiamene

เมื่อ 12 ส.ค. 2017 1:04 AM "'Mathias Bynens' via blink-dev" <blin...@chromium.org> เขียนว่า

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