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<!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="Recognizes one or more ASCII numerical and alphabetic characters: `'a'..='z'`, `'A'..='Z'`, `'0'..='9'`"><title>alphanumeric1 in winnow::ascii - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="winnow" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../winnow/index.html">winnow</a><span class="version">0.6.5</span></h2></div><div class="sidebar-elems"><h2><a href="index.html">In winnow::ascii</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../winnow/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="../index.html">winnow</a>::<wbr><a href="index.html">ascii</a>::<wbr><a class="fn" href="#">alphanumeric1</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/winnow/ascii/mod.rs.html#896-903">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub fn alphanumeric1<Input, Error>(
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input: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut Input</a>
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) -> <a class="type" href="../error/type.PResult.html" title="type winnow::error::PResult">PResult</a><<Input as <a class="trait" href="../stream/trait.Stream.html" title="trait winnow::stream::Stream">Stream</a>>::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Slice" title="type winnow::stream::Stream::Slice">Slice</a>, Error><div class="where">where
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Input: <a class="trait" href="../stream/trait.StreamIsPartial.html" title="trait winnow::stream::StreamIsPartial">StreamIsPartial</a> + <a class="trait" href="../stream/trait.Stream.html" title="trait winnow::stream::Stream">Stream</a>,
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<Input as <a class="trait" href="../stream/trait.Stream.html" title="trait winnow::stream::Stream">Stream</a>>::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Token" title="type winnow::stream::Stream::Token">Token</a>: <a class="trait" href="../stream/trait.AsChar.html" title="trait winnow::stream::AsChar">AsChar</a>,
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Error: <a class="trait" href="../error/trait.ParserError.html" title="trait winnow::error::ParserError">ParserError</a><Input>,</div></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Recognizes one or more ASCII numerical and alphabetic characters: <code>'a'..='z'</code>, <code>'A'..='Z'</code>, <code>'0'..='9'</code></p>
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<p><em>Complete version</em>: Will return an error if there’s not enough input data,
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or the whole input if no terminating token is found (a non alphanumerical character).</p>
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<p><em>[Partial version][crate::_topic::partial]</em>: Will return <code>Err(winnow::error::ErrMode::Incomplete(_))</code> if there’s not enough input data,
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or if no terminating token is found (a non alphanumerical character).</p>
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<h2 id="effective-signature"><a href="#effective-signature">Effective Signature</a></h2>
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<p>Assuming you are parsing a <code>&str</code> <a href="../stream/trait.Stream.html" title="trait winnow::stream::Stream">Stream</a>:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">pub fn </span>alphanumeric1<<span class="lifetime">'i</span>>(input: <span class="kw-2">&mut &</span><span class="lifetime">'i </span>str) -> PResult<<span class="kw-2">&</span><span class="lifetime">'i </span>str></code></pre></div>
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<h2 id="example"><a href="#example">Example</a></h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">fn </span>parser<<span class="lifetime">'s</span>>(input: <span class="kw-2">&mut &</span><span class="lifetime">'s </span>str) -> PResult<<span class="kw-2">&</span><span class="lifetime">'s </span>str, InputError<<span class="kw-2">&</span><span class="lifetime">'s </span>str>> {
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alphanumeric1.parse_next(input)
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}
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<span class="macro">assert_eq!</span>(parser.parse_peek(<span class="string">"21cZ%1"</span>), <span class="prelude-val">Ok</span>((<span class="string">"%1"</span>, <span class="string">"21cZ"</span>)));
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<span class="macro">assert_eq!</span>(parser.parse_peek(<span class="string">"&H2"</span>), <span class="prelude-val">Err</span>(ErrMode::Backtrack(InputError::new(<span class="string">"&H2"</span>, ErrorKind::Slice))));
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<span class="macro">assert_eq!</span>(parser.parse_peek(<span class="string">""</span>), <span class="prelude-val">Err</span>(ErrMode::Backtrack(InputError::new(<span class="string">""</span>, ErrorKind::Slice))));</code></pre></div>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="macro">assert_eq!</span>(alphanumeric1::<<span class="kw">_</span>, InputError<<span class="kw">_</span>>>.parse_peek(Partial::new(<span class="string">"21cZ%1"</span>)), <span class="prelude-val">Ok</span>((Partial::new(<span class="string">"%1"</span>), <span class="string">"21cZ"</span>)));
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<span class="macro">assert_eq!</span>(alphanumeric1::<<span class="kw">_</span>, InputError<<span class="kw">_</span>>>.parse_peek(Partial::new(<span class="string">"&H2"</span>)), <span class="prelude-val">Err</span>(ErrMode::Backtrack(InputError::new(Partial::new(<span class="string">"&H2"</span>), ErrorKind::Slice))));
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<span class="macro">assert_eq!</span>(alphanumeric1::<<span class="kw">_</span>, InputError<<span class="kw">_</span>>>.parse_peek(Partial::new(<span class="string">""</span>)), <span class="prelude-val">Err</span>(ErrMode::Incomplete(Needed::new(<span class="number">1</span>))));</code></pre></div>
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