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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-8544] Regex option &quot;ii&quot; is accepted by JSON to BSON parser</title>
                <link>https://jira.mongodb.org/browse/SERVER-8544</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="65044">SERVER-8544</key>
            <summary>Regex option &quot;ii&quot; is accepted by JSON to BSON parser</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="nathan.brown@mongodb.com">Nathan Brown</assignee>
                                    <reporter username="andrew.emil@10gen.com">Andrew Emil</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>platforms-re-triaged</label>
                    </labels>
                <created>Wed, 13 Feb 2013 00:14:40 +0000</created>
                <updated>Tue, 4 Jun 2019 19:44:32 +0000</updated>
                            <resolved>Tue, 4 Jun 2019 19:44:32 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                                    <component>Internal Code</component>
                    <component>Shell</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2271110" author="xgen-internal-githook" created="Tue, 4 Jun 2019 19:41:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Nathan Brown&apos;, &apos;email&apos;: &apos;nathan.brown@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8544&quot; title=&quot;Regex option &amp;quot;ii&amp;quot; is accepted by JSON to BSON parser&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8544&quot;&gt;&lt;del&gt;SERVER-8544&lt;/del&gt;&lt;/a&gt; Disable having duplicate regex options in JSON parsing&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/34ff5d6e6ddb302634185549a2a5ee558d629ba2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/34ff5d6e6ddb302634185549a2a5ee558d629ba2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="631425" author="sverch" created="Mon, 23 Jun 2014 15:04:16 +0000"  >&lt;p&gt;The following function is the only thing that needs to be modified to fix this: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r2.7.2/src/mongo/db/json.cpp#L907&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r2.7.2/src/mongo/db/json.cpp#L907&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;The existing unit tests for regular expressions in the JSON parser are here: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r2.7.2/src/mongo/dbtests/jsontests.cpp#L1875&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r2.7.2/src/mongo/dbtests/jsontests.cpp#L1875&lt;/a&gt;  This is where the test for this fix should be added.&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;add the following test to jsontests.cpp&lt;/p&gt;

&lt;p&gt;        class RegexInvalidOption7 : public Bad {&lt;br/&gt;
            virtual string json() const {&lt;br/&gt;
                return &quot;{ \&quot;a\&quot; : &lt;/p&gt;
{ \&quot;$regex\&quot; : \&quot;test\&quot;, \&quot;$options\&quot; : \&quot;ii\&quot; }
&lt;p&gt; }&quot;;&lt;br/&gt;
            }&lt;br/&gt;
        };&lt;/p&gt;

&lt;p&gt;and the output is &lt;/p&gt;

&lt;p&gt;	JsonTests::FromJsonTests::RegexInvalidOption7	Expected expression fromjson( json() ) to throw MsgAssertionException but it threw nothing. @src/mongo/dbtests/jsontests.cpp:447&lt;/p&gt;</customfieldvalue>

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