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<h1><span class="section-number">7.15.3. </span>edit_distance<a class="headerlink" href="#edit-distance" title="Permalink to this headline">¶</a></h1>
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<h2><span class="section-number">7.15.3.1. </span>名前<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>edit_distance - 指定した2つの文字列の編集距離を計算する</p>
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<h2><span class="section-number">7.15.3.2. </span>書式<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>edit_distance(string1, string2)
</pre></div>
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<h2><span class="section-number">7.15.3.3. </span>説明<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
<p>Groonga組込関数の一つであるedit_distanceについて説明します。組込関数は、script形式のgrn_expr中で呼び出すことができます。</p>
<p>edit_distance() 関数は、string1に指定した文字列とstring2に指定した文字列の間の編集距離を求めます。</p>
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<h2><span class="section-number">7.15.3.4. </span>引数<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
<p><code class="docutils literal notranslate"><span class="pre">string1</span></code></p>
<blockquote>
<div><p>文字列を指定します</p>
</div></blockquote>
<p><code class="docutils literal notranslate"><span class="pre">string2</span></code></p>
<blockquote>
<div><p>もうひとつの文字列を指定します</p>
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<h2><span class="section-number">7.15.3.5. </span>返値<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h2>
<p>指定した2つ文字列の編集距離をUint32型の値として返します。</p>
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<h2><span class="section-number">7.15.3.6. </span>例<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>edit_distance(title, "hoge")
1
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<li><a class="reference internal" href="#">7.15.3. edit_distance</a><ul>
<li><a class="reference internal" href="#id1">7.15.3.1. 名前</a></li>
<li><a class="reference internal" href="#id2">7.15.3.2. 書式</a></li>
<li><a class="reference internal" href="#id3">7.15.3.3. 説明</a></li>
<li><a class="reference internal" href="#id4">7.15.3.4. 引数</a></li>
<li><a class="reference internal" href="#id5">7.15.3.5. 返値</a></li>
<li><a class="reference internal" href="#id6">7.15.3.6. 例</a></li>
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