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    Type:
Bug
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    Resolution: Duplicate
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    Priority:
Major - P3
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    None
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    Affects Version/s: None
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    Component/s: Querying
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    None
 
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        ALL
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        None
 
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        None
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        None
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        None
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        None
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db.wd_data.find({"path":{"$in":[/^\/PersonalWx\/Wx3001\/A李鑫老师助理6965号刘赫楠\/WxTxl\/三119扫单D!nG先生Super7李先生\//]}}
vs
db.wd_data.find({"path":{"$in":[/^\/PersonalWx\/Wx3001\/A李鑫老师助理6965号刘赫楠\/WxTxl\/三119扫单D!nG|先生Super7李先生\//]}}
the difference is the first one has no "|" in the query string, the second one does.
I will attach the explain() info, they show the difference
- duplicates
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SERVER-20432 $regex prefix search with escaped "|" should use tighter index bounds
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 - Closed
 
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SERVER-16622 RegEx query predicates using the | (vertical bar) character cannot use tight index bounds
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 - Backlog
 
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