<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `pattern` mod in crate `std`."><meta name="keywords" content="rust, rustlang, rust-lang, pattern"><title>std::str::pattern - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><p class='location'>Module pattern</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li></ul></div><p class='location'><a href='../../index.html'>std</a>::<wbr><a href='../index.html'>str</a></p><script>window.sidebarCurrent = {name: 'pattern', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../../index.html'>std</a>::<wbr><a href='../index.html'>str</a>::<wbr><a class="mod" href=''>pattern</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version '></span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/core/str/mod.rs.html#27' title='goto source code'>[src]</a></span></h1><div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>pattern </code><a href="https://github.com/rust-lang/rust/issues/27721">#27721</a>)</summary><p>API not fully fleshed out and ready to be stabilized</p>
</details></div></div><div class='docblock'><p>The string Pattern API.</p>
<p>For more details, see the traits <code>Pattern</code>, <code>Searcher</code>,
<code>ReverseSearcher</code> and <code>DoubleEndedSearcher</code>.</p>
</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
<table>
<tr class='unstable module-item'>
<td><a class="struct" href="struct.CharPredicateSearcher.html"
title='struct std::str::pattern::CharPredicateSearcher'>CharPredicateSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>Associated type for <code><F as Pattern<'a>>::Searcher</code>.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="struct" href="struct.CharSearcher.html"
title='struct std::str::pattern::CharSearcher'>CharSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>Associated type for <code><char as Pattern<'a>>::Searcher</code>.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="struct" href="struct.CharSliceSearcher.html"
title='struct std::str::pattern::CharSliceSearcher'>CharSliceSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>Associated type for <code><&[char] as Pattern<'a>>::Searcher</code>.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="struct" href="struct.StrSearcher.html"
title='struct std::str::pattern::StrSearcher'>StrSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>Associated type for <code><&str as Pattern<'a>>::Searcher</code>.</p>
</td>
</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
<table>
<tr class='unstable module-item'>
<td><a class="enum" href="enum.SearchStep.html"
title='enum std::str::pattern::SearchStep'>SearchStep</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>Result of calling <code>Searcher::next()</code> or <code>ReverseSearcher::next_back()</code>.</p>
</td>
</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
<table>
<tr class='unstable module-item'>
<td><a class="trait" href="trait.DoubleEndedSearcher.html"
title='trait std::str::pattern::DoubleEndedSearcher'>DoubleEndedSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>A marker trait to express that a <code>ReverseSearcher</code>
can be used for a <code>DoubleEndedIterator</code> implementation.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="trait" href="trait.Pattern.html"
title='trait std::str::pattern::Pattern'>Pattern</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>A string pattern.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="trait" href="trait.ReverseSearcher.html"
title='trait std::str::pattern::ReverseSearcher'>ReverseSearcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>A reverse searcher for a string pattern.</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="trait" href="trait.Searcher.html"
title='trait std::str::pattern::Searcher'>Searcher</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>A searcher for a string pattern.</p>
</td>
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