DNR: Fix regex translation bugs and add real-world ruleset tests#1

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chrmod wants to merge 11 commits into

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ghostery/dnr-bug-reproduction

Commits on Apr 20, 2026

Add tests reproducing DNR translation and compilation issues with real-world rulesets
chrmod
committed
Fix spurious "duplicate rule id 0" errors for invalid DNR rules
chrmod
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Fix misleading error limit message in DNR rule translator
chrmod
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Support bounded quantifiers {n}, {n,m}, {n,} in content extension URL filters
chrmod
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Support \d, \w, \s character class shorthands in content extension URL filters
chrmod
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Support alternation (|) inside groups in content extension URL filters
chrmod
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Map DNR "object" resource type to WebKit's "other" content blocker type
chrmod
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Support word boundaries (\b, \B) in content extension URL filters
chrmod
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Support \b word boundaries, character class shorthands in [...], and $ in alternation groups
chrmod
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Support {0} quantifier and top-level alternation in URL filters
chrmod
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Add test exposing 150k rule limit when multiple rulesets are merged
chrmod
committed