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RegExp `dotAll` mode / `s` flag

Category

JavaScript

Type

New or changed feature

Status

Enabled by default (Chrome 62)

Intent stage

None

Summary

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

Standards & signals

• Specification: https://github.com/tc39/proposal-regexp-dotall-flag
• Firefox: No signal
• Safari: No signal
• Web developers: Strongly positive
• Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=6172

Docs: https://mathiasbynens.be/notes/es-regexp-proposals#dotAll https://developers.google.com/web/updates/2017/07/upcoming-regexp-features#dotall_flag

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