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PORegex search & replacing the expression with something different for each occurrence of the expression
 

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    <p>I am using a vendor-supplied API that uses javascript to output HTML that essentially looks like this:</p> <pre><code>&lt;li class="parent_class"&gt; &lt;a href="link1.html"&gt; Parent Name &lt;/a&gt; &lt;/li&gt; &lt;div class="child_class"&gt; &lt;li&gt; &lt;a href="link2.html"&gt; Child Name 1 &lt;/a&gt; &lt;/li&gt; &lt;li&gt; &lt;a href="link3.html"&gt; Child Name 2 &lt;/a&gt; &lt;/li&gt; &lt;/div&gt; &lt;li class="parent_class"&gt; &lt;a href="link4.html"&gt; Parent Name 2&lt;/a&gt; &lt;/li&gt; &lt;div class="child_class"&gt; &lt;li&gt; &lt;a href="link5.html"&gt; Child Name 1 &lt;/a&gt; &lt;/li&gt; &lt;li&gt; &lt;a href="link6.html"&gt; Child Name 2 &lt;/a&gt; &lt;/li&gt; &lt;/div&gt; </code></pre> <p>And so on. This is the code I'm going for: </p> <pre><code>&lt;li class="parent_class"&gt; &lt;a href="link1.html"&gt; Parent Name &lt;/a&gt; &lt;ul id="xc"&gt; &lt;li&gt; &lt;a href="link2.html"&gt; Child Name 1 &lt;/a&gt; &lt;/li&gt; &lt;li&gt; &lt;a href="link3.html"&gt; Child Name 2 &lt;/a&gt; &lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;li class="parent_class"&gt; &lt;a href="link4.html"&gt; Parent Name 2&lt;/a&gt; &lt;/li&gt; &lt;ul id="1"&gt; &lt;li&gt; &lt;a href="link5.html"&gt; Child Name 1 &lt;/a&gt; &lt;/li&gt; &lt;li&gt; &lt;a href="link6.html"&gt; Child Name 2 &lt;/a&gt; &lt;/li&gt; &lt;/ul&gt;&lt;/li&gt; </code></pre> <p>(Just in case it is useful: I will be putting a <code>&lt;ul&gt;</code> tag before the API call and a <code>&lt;/ul&gt;</code> tag after it to close up the whole list.) </p> <p>Using more javascript, I've figured out how to replace the <code>&lt;/div&gt;</code> with the <code>&lt;/ul&gt;&lt;/li&gt;</code> using regular expression replace, but I'm not sure how to replace the <code>&lt;/li&gt;&lt;div&gt;</code> tags with the <code>&lt;ul&gt;</code> tags, because those need to be different every time. The first <code>&lt;ul&gt;</code> MUST be <code>&lt;ul id="xc"&gt;</code> (due to even more code I don't have control over). The other <code>&lt;ul&gt;</code>s must each have an ID, but those can be randomly generated. </p> <p>I have a vague idea that I can use the exec method to create an array of all instances of <code>&lt;/li&gt;&lt;/div&gt;</code>, set array[0] to <code>&lt;ul id="xc"&gt;</code> and then set array[1] to <code>&lt;ul id="1"&gt;</code>, array[2] to <code>&lt;ul id="2"&gt;</code> and so on, but I'm not sure if that's a good idea (or how exactly to do it). </p> <p>Thanks in advance. </p>
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