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‎2023/07/05/regex-1.9.html

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<section id="Announcing regex 1.9" class="white">
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<header>
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<h2>Announcing regex 1.9</h2>
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<div class="highlight mt2 mb3"></div>
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</header>
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<div class="publish-date-author">July 5, 2023 &middot; Andrew Gallant
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on behalf of <a href="https://www.rust-lang.org/governance/teams/library#Regex%20crate%20team">The regex crate team</a>
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</div>
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<div class="post">
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<p>The regex sub-team is announcing the release of <code>regex 1.9</code>. The <code>regex</code> crate
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is maintained by the Rust project and is the recommended way to use regular
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expressions in Rust. Its defining characteristic is its guarantee of worst case
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linear time searches with respect to the size of the string being searched.</p>
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<p>Releases of the <code>regex</code> crate aren't normally announced on this blog, but
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since the majority of its internals have been rewritten in version 1.9, this
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announcement serves to encourage extra scrutiny. If you run into any problems
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or performance regressions, please report them on the <a href="https://github.com/rust-lang/regex/issues">issue tracker</a> or <a href="https://github.com/rust-lang/regex/discussions">ask
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questions on the Discussion forum</a>.</p>
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<p>Few API additions have been made, but one worth calling out is the
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<a href="https://docs.rs/regex/1.*/regex/struct.Captures.html#method.extract"><code>Captures::extract</code></a> method that should make getting capture groups in some
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cases more convenient. Otherwise, the main change folks should see is hopefully
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faster search times.</p>
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<p>You can read more in the <a href="https://github.com/rust-lang/regex/blob/master/CHANGELOG.md#190-2023-07-05">CHANGELOG</a> and in a more in depth blog post on
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<a href="https://blog.burntsushi.net/regex-internals/">regex crate internals as a library</a>.</p>
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‎feed.xml

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<name>Maintained by the Rust Teams.</name>
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<updated>2023-07-03T17:56:39+00:00</updated>
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<updated>2023-07-05T13:36:17+00:00</updated>
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<entry>
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<title>Announcing regex 1.9</title>
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<link rel="alternate" href="https://blog.rust-lang.org/2023/07/05/regex-1.9.html" type="text/html" title="Announcing regex 1.9" />
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<published>2023-07-05T00:00:00+00:00</published>
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<content type="html" xml:base="https://blog.rust-lang.org/2023/07/05/regex-1.9.html">&lt;p&gt;The regex sub-team is announcing the release of &lt;code&gt;regex 1.9&lt;/code&gt;. The &lt;code&gt;regex&lt;/code&gt; crate
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is maintained by the Rust project and is the recommended way to use regular
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expressions in Rust. Its defining characteristic is its guarantee of worst case
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linear time searches with respect to the size of the string being searched.&lt;/p&gt;
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&lt;p&gt;Releases of the &lt;code&gt;regex&lt;/code&gt; crate aren&#x27;t normally announced on this blog, but
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since the majority of its internals have been rewritten in version 1.9, this
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announcement serves to encourage extra scrutiny. If you run into any problems
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or performance regressions, please report them on the &lt;a href&#x3D;&quot;https://github.com/rust-lang/regex/issues&quot;&gt;issue tracker&lt;/a&gt; or &lt;a href&#x3D;&quot;https://github.com/rust-lang/regex/discussions&quot;&gt;ask
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questions on the Discussion forum&lt;/a&gt;.&lt;/p&gt;
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&lt;p&gt;Few API additions have been made, but one worth calling out is the
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&lt;a href&#x3D;&quot;https://docs.rs/regex/1.*/regex/struct.Captures.html#method.extract&quot;&gt;&lt;code&gt;Captures::extract&lt;/code&gt;&lt;/a&gt; method that should make getting capture groups in some
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cases more convenient. Otherwise, the main change folks should see is hopefully
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faster search times.&lt;/p&gt;
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&lt;p&gt;You can read more in the &lt;a href&#x3D;&quot;https://github.com/rust-lang/regex/blob/master/CHANGELOG.md#190-2023-07-05&quot;&gt;CHANGELOG&lt;/a&gt; and in a more in depth blog post on
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&lt;a href&#x3D;&quot;https://blog.burntsushi.net/regex-internals/&quot;&gt;regex crate internals as a library&lt;/a&gt;.&lt;/p&gt;
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</content>
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<author>
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<name>Andrew Gallant</name>
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</author>
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</entry>
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<entry>
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<title>Rustfmt support for let-else statements</title>
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<link rel="alternate" href="https://blog.rust-lang.org/2023/07/01/rustfmt-supports-let-else-statements.html" type="text/html" title="Rustfmt support for let-else statements" />
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&lt;h3&gt;&lt;a href&#x3D;&quot;#contributors-to-1682&quot; aria-hidden&#x3D;&quot;true&quot; class&#x3D;&quot;anchor&quot; id&#x3D;&quot;contributors-to-1682&quot;&gt;&lt;/a&gt;Contributors to 1.68.2&lt;/h3&gt;
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&lt;p&gt;Many people came together to create Rust 1.68.2. We couldn&#x27;t have done it
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without all of you. &lt;a href&#x3D;&quot;https://thanks.rust-lang.org/rust/1.68.2/&quot;&gt;Thanks!&lt;/a&gt;&lt;/p&gt;
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</content>
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<author>
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<name>The Rust Release Team</name>
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</author>
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<entry>
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<title>Announcing Rust 1.68.1</title>
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<link rel="alternate" href="https://blog.rust-lang.org/2023/03/23/Rust-1.68.1.html" type="text/html" title="Announcing Rust 1.68.1" />
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<published>2023-03-23T00:00:00+00:00</published>
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<updated>2023-03-23T00:00:00+00:00</updated>
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<id>https://blog.rust-lang.org/2023/03/23/Rust-1.68.1.html</id>
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<content type="html" xml:base="https://blog.rust-lang.org/2023/03/23/Rust-1.68.1.html">&lt;p&gt;The Rust team has published a new point release of Rust, 1.68.1. Rust is a
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programming language that is empowering everyone to build reliable and
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efficient software.&lt;/p&gt;
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&lt;p&gt;If you have a previous version of Rust installed via rustup, you can get 1.68.1 with:&lt;/p&gt;
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&lt;pre&gt;&lt;code&gt;rustup update stable
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&lt;/code&gt;&lt;/pre&gt;
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&lt;p&gt;If you don&#x27;t have it already, you can &lt;a href&#x3D;&quot;https://www.rust-lang.org/install.html&quot;&gt;get &lt;code&gt;rustup&lt;/code&gt;&lt;/a&gt;
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from the appropriate page on our website, and check out the
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&lt;a href&#x3D;&quot;https://github.com/rust-lang/rust/blob/stable/RELEASES.md#version-1681-2023-03-23&quot;&gt;detailed release notes for 1.68.1&lt;/a&gt; on GitHub.&lt;/p&gt;
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&lt;h2&gt;&lt;a href&#x3D;&quot;#whats-in-1681-stable&quot; aria-hidden&#x3D;&quot;true&quot; class&#x3D;&quot;anchor&quot; id&#x3D;&quot;whats-in-1681-stable&quot;&gt;&lt;/a&gt;What&#x27;s in 1.68.1 stable&lt;/h2&gt;
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&lt;p&gt;Rust 1.68.1 stable primarily contains a change to how Rust&#x27;s CI builds the
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Windows MSVC compiler, no longer enabling LTO for the Rust code. This led to a
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&lt;a href&#x3D;&quot;https://github.com/rust-lang/rust/issues/109067&quot;&gt;miscompilation&lt;/a&gt; that the Rust
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team is debugging, but in the meantime we&#x27;re reverting the change to enable
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LTO.&lt;/p&gt;
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&lt;p&gt;This is currently believed to have no effect on wider usage of ThinLTO. The
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Rust compiler used an unstable flag as part of the build process to enable
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ThinLTO despite compiling to a dylib.&lt;/p&gt;
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&lt;p&gt;There are a few other regression fixes included in the release:&lt;/p&gt;
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&lt;ul&gt;
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&lt;li&gt;&lt;a href&#x3D;&quot;https://github.com/rust-lang/rust/pull/109111/&quot;&gt;Fix building the compiler with &lt;code&gt;--enable-local-rust&lt;/code&gt;&lt;/a&gt;&lt;/li&gt;
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&lt;li&gt;&lt;a href&#x3D;&quot;https://github.com/rust-lang/rust/pull/109156&quot;&gt;Treat &lt;code&gt;$prefix-clang&lt;/code&gt; as &lt;code&gt;clang&lt;/code&gt; in linker detection code&lt;/a&gt;&lt;/li&gt;
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&lt;li&gt;&lt;a href&#x3D;&quot;https://github.com/rust-lang/rust/pull/108162&quot;&gt;Fix a panic in the compiler&lt;/a&gt;&lt;/li&gt;
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&lt;/ul&gt;
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&lt;h3&gt;&lt;a href&#x3D;&quot;#contributors-to-1681&quot; aria-hidden&#x3D;&quot;true&quot; class&#x3D;&quot;anchor&quot; id&#x3D;&quot;contributors-to-1681&quot;&gt;&lt;/a&gt;Contributors to 1.68.1&lt;/h3&gt;
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&lt;p&gt;Many people came together to create Rust 1.68.1. We couldn&#x27;t have done it
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without all of you. &lt;a href&#x3D;&quot;https://thanks.rust-lang.org/rust/1.68.1/&quot;&gt;Thanks!&lt;/a&gt;&lt;/p&gt;
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<td class="bn"><h3 class="f0-l f1-m f2-s mt4 mb0">Posts in 2023</h3></td>
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</tr>
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<tr>
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<td class="tr o-60 pr4 pr5-l bn">July&nbsp;5</td>
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<td class="bn"><a href="2023/07/05/regex-1.9.html">Announcing regex 1.9</a></td>
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</tr>
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<td class="tr o-60 pr4 pr5-l bn">July&nbsp;1</td>
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<td class="bn"><a href="2023/07/01/rustfmt-supports-let-else-statements.html">Rustfmt support for let-else statements</a></td>

‎inside-rust/feed.xml

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<name>Maintained by the Rust Teams.</name>
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</author>
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<updated>2023-07-03T17:56:41+00:00</updated>
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<updated>2023-07-05T13:36:20+00:00</updated>
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