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POCalling recursion
 

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  1. POCalling recursion
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    <p>I try to write a recursion function which gives me the possibility to work with (add some text) between only "li" html tag. Here are all cases which I can have:</p> <p></p> <pre><code>Test 1 Test 1 Test 1 Test 1 Test 1 Test 1 &lt;ol&gt; &lt;li&gt;Coffee&lt;/li&gt; &lt;li&gt;Tea&lt;/li&gt; &lt;li&gt;Milk&lt;/li&gt; &lt;/ol&gt; Test 2 Test 2 Test 2 Test 2 Test 2 Test 2 &lt;ul&gt; &lt;li&gt;Coffee dfg dfg dfg &lt;/li&gt; &lt;li&gt;Tea dfg df gdf gfdg &lt;/li&gt; &lt;li&gt;Mifdg dfg fdg lkdf gdf gdf &lt;/li&gt; &lt;/ul&gt; Test 3 Test 3 Test 3 Test 3 Test 3 Test 3 &lt;ol&gt; &lt;li&gt; &lt;ol&gt; &lt;li&gt;Coffee&lt;/li&gt; &lt;li&gt;Tea&lt;/li&gt; &lt;li&gt;Milk&lt;/li&gt; &lt;/ol&gt; &lt;/li&gt; &lt;li&gt;Tea&lt;/li&gt; &lt;li&gt;Milk&lt;/li&gt; &lt;/ol&gt; Test 4 Test 4 Test 4 Test 4 Test 4 Test 4 &lt;ul&gt; &lt;li&gt;Coffee dfg dfg dfg &lt;/li&gt; &lt;li&gt; &lt;ol&gt; &lt;li&gt;Coffee&lt;/li&gt; &lt;li&gt;Tea&lt;/li&gt; &lt;li&gt;Milk&lt;/li&gt; &lt;/ol&gt; &lt;/li&gt; &lt;li&gt;Mifdg dfg fdg lkdf gdf gdf &lt;/li&gt; &lt;/ul&gt; </code></pre> <p> </p> <p>My code:</p> <pre><code>public static String isInnerTag(String text){ final StringBuilder olBuilder = new StringBuilder(text); int beginText = text.indexOf("&lt;ol&gt;"); int endText = olBuilder.indexOf("&lt;/ol&gt;"); String innerText = text.substring(beginText + 4, endText); innerText = innerText.replaceAll("&lt;/li&gt;", ""); String [] li = innerText.split("&lt;li&gt;"); StringBuilder sb = new StringBuilder(); for (int i = 1; i &lt; li.length; i++) { String temp = i + " " + li[i].toString(); sb.append(temp); } System.out.println(sb); return text; } </code></pre> <p>output:</p> <p>1 Coffee 2 Tea 3 Milk 4 Milk 5 Milk 6 Milk 7 Milk last</p> <p>I want to add before text in li tag eg. 1, 2, 3 and so on, AND for inner (test 4) for the first li 1, the next li (in next ol) 1.1, 1.2, 1.3 and so on.</p> <p>Thanks in advance !</p>
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    1. PTQuestion
    1. USTomasz Waszczyk
    1. USTomasz Waszczyk
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    1. COWhere is the attempted recursive code that you've come up with?
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      1. POCalling recursion
      1. USadarshr
    2. COBest of luck! I will pray for your success.
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      1. POCalling recursion
      1. USchristopher
    3. COAlso, why use recursion at all? Just walk your document (using xpath or similar), selecting all `<li>` elements. No need to complicate things.
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      1. POCalling recursion
      1. USmabi
 

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