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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>
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<item>
            <title>[DOCS-9311] Update or remove recommended &quot;dollar sign operator escaping&quot; scheme</title>
                <link>https://jira.mongodb.org/browse/DOCS-9311</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;The following page recommends an ambiguous and harmful escaping scheme: &lt;a href=&quot;https://docs.mongodb.com/v3.0/faq/developers/#dollar-sign-operator-escaping&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/v3.0/faq/developers/#dollar-sign-operator-escaping&lt;/a&gt; . People are recommending this escaping scheme based on the fact that its in your documentation, but its a terrible idea. This escaping scheme will break whenever the suggested unicode characters are actually used in the raw key. &lt;/p&gt;

&lt;p&gt;Please either remove this harmful recommendation or update it with a proper unambiguous escaping method. Here&apos;s an example that is unambiguous and far more human-readable:&lt;/p&gt;

&lt;p&gt;// returns an escaped mongo key&lt;br/&gt;
exports.escape = function(key) &lt;/p&gt;
{
  return key.replace(/~/g, &apos;~~&apos;)
            .replace(/\./g, &apos;~,&apos;)
            .replace(/^\$/g, &apos;~$&apos;)
}

&lt;p&gt;// returns an unescaped mongo key&lt;br/&gt;
exports.unescape = function(escapedKey) &lt;/p&gt;
{
  return escapedKey.replace(/^~$/g, &apos;$&apos;)
                   .replace(/~,/g, &apos;.&apos;)
                   .replace(/~~/g, &apos;~&apos;)
}</description>
                <environment></environment>
        <key id="331413">DOCS-9311</key>
            <summary>Update or remove recommended &quot;dollar sign operator escaping&quot; scheme</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</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="allison.moore@mongodb.com">Allison Reinheimer Moore</assignee>
                                    <reporter username="fresheneesz">Billy Tetrud</reporter>
                        <labels>
                            <label>bite-sized</label>
                    </labels>
                <created>Sat, 12 Nov 2016 00:42:46 +0000</created>
                <updated>Mon, 14 Nov 2016 18:39:25 +0000</updated>
                            <resolved>Mon, 14 Nov 2016 18:39:05 +0000</resolved>
                                                                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1433534" author="xgen-internal-githook" created="Mon, 14 Nov 2016 18:38:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;schmalliso&apos;, u&apos;name&apos;: u&apos;Allison Moore&apos;, u&apos;email&apos;: u&apos;allison.moore@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-9311&quot; title=&quot;Update or remove recommended &amp;quot;dollar sign operator escaping&amp;quot; scheme&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-9311&quot;&gt;&lt;del&gt;DOCS-9311&lt;/del&gt;&lt;/a&gt;: removes dollar-sign escaping FAQ item&lt;br/&gt;
Branch: v3.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/3cb0c576256d27266a1ab5475dac715b746c157a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/3cb0c576256d27266a1ab5475dac715b746c157a&lt;/a&gt;&lt;/p&gt;</comment>
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