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PHP Regex example of greedy and lazy

<?

$x = '<p id="test">p1</p> <p id="test">p2</p>';

// greedy
if (preg_match('#<p id="test">(.+)</p>#', $x))
    echo "greedy";

// lazy 1
if (preg_match('#<p id="test">(.+?)</p>#', $x))
    echo "lazy 1";

// lazy 2
if (preg_match('#<p id="test">([^<]+)</p>#', $x))
    echo "lazy 2";
https://snipt.net/embed/af4d20e42605361a7ea48f55ce8945c6/
/raw/af4d20e42605361a7ea48f55ce8945c6/
af4d20e42605361a7ea48f55ce8945c6
php
PHP
16
2019-08-26T04:55:53
True
False
False
/api/public/snipt/8200/
php-regex-example-of-greedy-and-lazy
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cp">&lt;?</span> </span><span id="L-2"><a name="L-2"></a> </span><span id="L-3"><a name="L-3"></a><span class="nv">$x</span> <span class="o">=</span> <span class="s1">&#39;&lt;p id=&quot;test&quot;&gt;p1&lt;/p&gt; &lt;p id=&quot;test&quot;&gt;p2&lt;/p&gt;&#39;</span><span class="p">;</span> </span><span id="L-4"><a name="L-4"></a> </span><span id="L-5"><a name="L-5"></a><span class="c1">// greedy</span> </span><span id="L-6"><a name="L-6"></a><span class="k">if</span> <span class="p">(</span><span class="nb">preg_match</span><span class="p">(</span><span class="s1">&#39;#&lt;p id=&quot;test&quot;&gt;(.+)&lt;/p&gt;#&#39;</span><span class="p">,</span> <span class="nv">$x</span><span class="p">))</span> </span><span id="L-7"><a name="L-7"></a> <span class="k">echo</span> <span class="s2">&quot;greedy&quot;</span><span class="p">;</span> </span><span id="L-8"><a name="L-8"></a> </span><span id="L-9"><a name="L-9"></a><span class="c1">// lazy 1</span> </span><span id="L-10"><a name="L-10"></a><span class="k">if</span> <span class="p">(</span><span class="nb">preg_match</span><span class="p">(</span><span class="s1">&#39;#&lt;p id=&quot;test&quot;&gt;(.+?)&lt;/p&gt;#&#39;</span><span class="p">,</span> <span class="nv">$x</span><span class="p">))</span> </span><span id="L-11"><a name="L-11"></a> <span class="k">echo</span> <span class="s2">&quot;lazy 1&quot;</span><span class="p">;</span> </span><span id="L-12"><a name="L-12"></a> </span><span id="L-13"><a name="L-13"></a><span class="c1">// lazy 2</span> </span><span id="L-14"><a name="L-14"></a><span class="k">if</span> <span class="p">(</span><span class="nb">preg_match</span><span class="p">(</span><span class="s1">&#39;#&lt;p id=&quot;test&quot;&gt;([^&lt;]+)&lt;/p&gt;#&#39;</span><span class="p">,</span> <span class="nv">$x</span><span class="p">))</span> </span><span id="L-15"><a name="L-15"></a> <span class="k">echo</span> <span class="s2">&quot;lazy 2&quot;</span><span class="p">;</span> </span></pre></div> </td></tr></table>
greedy, lazy, php, regex