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This PR fixes an incorrect regex modifier syntax in the "Types" table
on the Groups and Backreferences guide.

The modifier group was incorrectly shown as (?:flags-flags:x),
which does not apply flags. The correct syntax is (?flags-flags:x).

Fixes #42609

@kashish2710 kashish2710 requested a review from a team as a code owner January 3, 2026 05:37
@kashish2710 kashish2710 requested review from Josh-Cena and removed request for a team January 3, 2026 05:37
@github-actions github-actions bot added Content:JS JavaScript docs size/xs [PR only] 0-5 LoC changed labels Jan 3, 2026
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github-actions bot commented Jan 3, 2026

@kashish2710
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Hi, I have corrected the modifier syntax in the Groups and Backreferences table. I reviewed the regex patterns and updated the syntax to match the correct JavaScript standards. Could you please review it?

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Thanks

@Josh-Cena Josh-Cena merged commit e166afc into mdn:main Jan 8, 2026
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Regular Expression Guide, page on Groups and Backreferences: "Types" section suggests wrong syntax for "Modifier" ("local flags")

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