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<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><title>Extract string based on regex pattern — str_extract • stRoke</title><!-- favicons --><link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png"><link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png"><link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png"><link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png"><link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png"><link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png"><script src="../deps/jquery-3.6.0/jquery-3.6.0.min.js"></script><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><link href="../deps/bootstrap-5.3.1/bootstrap.min.css" rel="stylesheet"><script src="../deps/bootstrap-5.3.1/bootstrap.bundle.min.js"></script><link href="../deps/font-awesome-6.4.2/css/all.min.css" rel="stylesheet"><link href="../deps/font-awesome-6.4.2/css/v4-shims.min.css" rel="stylesheet"><script src="../deps/headroom-0.11.0/headroom.min.js"></script><script src="../deps/headroom-0.11.0/jQuery.headroom.min.js"></script><script src="../deps/bootstrap-toc-1.0.1/bootstrap-toc.min.js"></script><script src="../deps/clipboard.js-2.0.11/clipboard.min.js"></script><script src="../deps/search-1.0.0/autocomplete.jquery.min.js"></script><script src="../deps/search-1.0.0/fuse.min.js"></script><script src="../deps/search-1.0.0/mark.min.js"></script><!-- pkgdown --><script src="../pkgdown.js"></script><meta property="og:title" content="Extract string based on regex pattern — str_extract"><meta name="description" content="DEPRECATION: moved to agdamsbo/project.aid"><meta property="og:description" content="DEPRECATION: moved to agdamsbo/project.aid"><meta property="og:image" content="https://agdamsbo.github.io/stRoke/logo.png"></head><body>
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<img src="../logo.png" class="logo" alt=""><h1>Extract string based on regex pattern</h1>
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<small class="dont-index">Source: <a href="https://github.com/agdamsbo/stRoke/blob/main/R/str_extract.R" class="external-link"><code>R/str_extract.R</code></a></small>
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<div class="d-none name"><code>str_extract.Rd</code></div>
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</div>
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<p>DEPRECATION: moved to <code>agdamsbo/project.aid</code></p>
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<h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
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<div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">str_extract</span><span class="op">(</span><span class="va">d</span>, <span class="va">pattern</span><span class="op">)</span></span></code></pre></div>
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</div>
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<div class="section level2">
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<h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>
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<dl><dt id="arg-d">d<a class="anchor" aria-label="anchor" href="#arg-d"></a></dt>
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<dd><p>vector of character strings</p></dd>
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<dt id="arg-pattern">pattern<a class="anchor" aria-label="anchor" href="#arg-pattern"></a></dt>
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<dd><p>regex pattern to match</p></dd>
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</dl></div>
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<div class="section level2">
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<h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
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<p>vector of character strings</p>
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</div>
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<div class="section level2">
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<h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
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<p>Use base::strsplit to</p>
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</div>
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<div class="section level2">
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<h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
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<div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="va">ls</span> <span class="op"><-</span> <span class="fu"><a href="https://rdrr.io/r/base/do.call.html" class="external-link">do.call</a></span><span class="op">(</span><span class="va">c</span>,<span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">lapply</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/sample.html" class="external-link">sample</a></span><span class="op">(</span><span class="fl">4</span><span class="op">:</span><span class="fl">8</span>,<span class="fl">20</span>,<span class="cn">TRUE</span><span class="op">)</span>,<span class="kw">function</span><span class="op">(</span><span class="va">i</span><span class="op">)</span><span class="op">{</span></span></span>
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<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/sample.html" class="external-link">sample</a></span><span class="op">(</span><span class="va">letters</span>,<span class="va">i</span>,<span class="cn">TRUE</span><span class="op">)</span>,collapse <span class="op">=</span> <span class="st">""</span><span class="op">)</span><span class="op">}</span><span class="op">)</span><span class="op">)</span></span></span>
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<span class="r-in"><span><span class="va">ds</span> <span class="op"><-</span> <span class="fu"><a href="https://rdrr.io/r/base/do.call.html" class="external-link">do.call</a></span><span class="op">(</span><span class="va">c</span>,<span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">lapply</a></span><span class="op">(</span><span class="fl">1</span><span class="op">:</span><span class="fl">20</span>,<span class="kw">function</span><span class="op">(</span><span class="va">i</span><span class="op">)</span><span class="op">{</span></span></span>
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<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/sample.html" class="external-link">sample</a></span><span class="op">(</span><span class="va">ls</span>,<span class="fl">1</span><span class="op">)</span>,<span class="va">i</span>,<span class="fu"><a href="https://rdrr.io/r/base/sample.html" class="external-link">sample</a></span><span class="op">(</span><span class="va">ls</span>,<span class="fl">1</span><span class="op">)</span>,<span class="st">"23"</span>,sep <span class="op">=</span> <span class="st">"_"</span><span class="op">)</span><span class="op">}</span><span class="op">)</span><span class="op">)</span></span></span>
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<span class="r-in"><span><span class="fu">str_extract</span><span class="op">(</span><span class="va">ds</span>,<span class="st">"([0-9]+)"</span><span class="op">)</span></span></span>
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<span class="r-out co"><span class="r-pr">#></span> [1] "1" "2" "3" "4" "5" "6" "7" "8" "9" "10" "11" "12" "13" "14" "15"</span>
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<span class="r-out co"><span class="r-pr">#></span> [16] "16" "17" "18" "19" "20"</span>
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</code></pre></div>
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</div>
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<p>Developed by Andreas Gammelgaard Damsbo.</p>
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