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Type: Bug
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Resolution: Duplicate
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Priority: Critical - P2
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None
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Affects Version/s: 3.2.3
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Component/s: Querying
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None
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ALL
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This seems to be a regression from the fix of SERVER-15235.
The problem with this fix is that, even when I have a regular expression that has a left-anchor and an escaped '|' character, that query is recognized as being "non-simple".
This is wrong, and it causes unnecessarily that backwards compatibility is broken and performance is significantly degraded. See SERVER-22872 and SERVER-22890.
- duplicates
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SERVER-16622 RegEx query predicates using the | (vertical bar) character cannot use tight index bounds
- Backlog