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<meta keywords="Quick,Reference,cheatsheet,regex">
<link rel="icon" href="data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20height%3D%221em%22%20width%3D%221em%22%3E%20%3Cpath%20d%3D%22m21.66%2010.44-.98%204.18c-.84%203.61-2.5%205.07-5.62%204.77-.5-.04-1.04-.13-1.62-.27l-1.68-.4c-4.17-.99-5.46-3.05-4.48-7.23l.98-4.19c.2-.85.44-1.59.74-2.2%201.17-2.42%203.16-3.07%206.5-2.28l1.67.39c4.19.98%205.47%203.05%204.49%207.23Z%22%20fill%3D%22%23c9d1d9%22%2F%3E%20%3Cpath%20d%3D%22M15.06%2019.39c-.62.42-1.4.77-2.35%201.08l-1.58.52c-3.97%201.28-6.06.21-7.35-3.76L2.5%2013.28c-1.28-3.97-.22-6.07%203.75-7.35l1.58-.52c.41-.13.8-.24%201.17-.31-.3.61-.54%201.35-.74%202.2l-.98%204.19c-.98%204.18.31%206.24%204.48%207.23l1.68.4c.58.14%201.12.23%201.62.27Zm2.43-8.88c-.06%200-.12-.01-.19-.02l-4.85-1.23a.75.75%200%200%201%20.37-1.45l4.85%201.23a.748.748%200%200%201-.18%201.47Z%22%20fill%3D%22%23228e6c%22%20%2F%3E%20%3Cpath%20d%3D%22M14.56%2013.89c-.06%200-.12-.01-.19-.02l-2.91-.74a.75.75%200%200%201%20.37-1.45l2.91.74c.4.1.64.51.54.91-.08.34-.38.56-.72.56Z%22%20fill%3D%22%23228e6c%22%20%2F%3E%20%3C%2Fsvg%3E" type="image/svg+xml">
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</head>
<body><nav class="header-nav"><div class="max-container"><a href="../index.html" class="logo"><svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" height="1em" width="1em">
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</span><span class="code-line"><span class="token number">1</span>
</span></code></pre>
</div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="regexp_instr"><a aria-hidden="true" tabindex="-1" href="#regexp_instr"><span class="icon icon-link"></span></a>REGEXP_INSTR</h3><div class="wrap-body">
<pre><code class="language-{.wrap} code-highlight"><span class="code-line">REGEXP_INSTR(expr, pat[, pos[, occurrence[, return_option[, match_type]]]])
<pre><code class="code-highlight"><span class="code-line">REGEXP_INSTR(expr, pat[, pos[, occurrence[, return_option[, match_type]]]])
</span></code></pre>
</div></div><div class="h3wrap-body"><h4 id="例子-4"><a aria-hidden="true" tabindex="-1" href="#例子-4"><span class="icon icon-link"></span></a>例子</h4>
<pre class="language-sql"><code class="language-sql code-highlight"><span class="code-line">mysql<span class="token operator">></span> <span class="token keyword">SELECT</span> regexp_instr<span class="token punctuation">(</span><span class="token string">'aa aaa aaaa'</span><span class="token punctuation">,</span> <span class="token string">'a{3}'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>