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    copied!<p>I managed to do what I wanted (<strong>without using Regex</strong>) by: </p> <ul> <li>parsing each character of my string</li> <li>removing all <code>&lt;a&gt;</code> tags (copying them to a temporary array and keeping a placeholder on the string)</li> <li><code>str_replace</code> the new string in order to replace all the keywords</li> <li>repopulating the placeholders by it's original <code>&lt;a&gt;</code> tags</li> </ul> <p>Here's the code I used, in case someone else needs it:</p> <pre><code>$str = &lt;&lt;&lt;STRA Moses supposes his toeses are roses, but &lt;a href="original-moses1.html"&gt;Moses&lt;/a&gt; supposes erroneously; for nobody's toeses are posies of roses, as Moses supposes his toeses to be. Ganda &lt;span class="cenas"&gt;&lt;a href="original-moses2.html" target="_blank"&gt;Moses&lt;/a&gt;&lt;/span&gt;! STRA; $arr1 = str_split($str); $arr_links = array(); $phrase_holder = ''; $current_a = 0; $goto_arr_links = false; $close_a = false; foreach($arr1 as $k =&gt; $v) { if ($close_a == true) { if ($v == '&gt;') { $close_a = false; } continue; } if ($goto_arr_links == true) { $arr_links[$current_a] .= $v; } if ($v == '&lt;' &amp;&amp; $arr1[$k+1] == 'a') { /* &lt;a */ // keep collecting every char until &lt;/a&gt; $arr_links[$current_a] .= $v; $goto_arr_links = true; } elseif ($v == '&lt;' &amp;&amp; $arr1[$k+1] == '/' &amp;&amp; $arr1[$k+2] == 'a' &amp;&amp; $arr1[$k+3] == '&gt;' ) { /* &lt;/a&gt; */ $arr_links[$current_a] .= "/a&gt;"; $goto_arr_links = false; $close_a = true; $phrase_holder .= "{%$current_a%}"; /* put a parameter holder on the phrase */ $current_a++; } elseif ($goto_arr_links == false) { $phrase_holder .= $v; } } echo "Links Array:\n"; print_r($arr_links); echo "\n\n\nPhrase Holder:\n"; echo $phrase_holder; echo "\n\n\n(pre) Final Phrase (with my keyword replaced):\n"; $final_phrase = str_replace("Moses", "&lt;a href=\"novo-mega-link.php\"&gt;Moses&lt;/a&gt;", $phrase_holder); echo $final_phrase; echo "\n\n\nFinal Phrase:\n"; foreach($arr_links as $k =&gt; $v) { $final_phrase = str_replace("{%$k%}", $v, $final_phrase); } echo $final_phrase; </code></pre> <p>The output:</p> <p>Links Array:</p> <pre><code>Array ( [0] =&gt; &lt;a href="original-moses1.html"&gt;Moses&lt;/a&gt; [1] =&gt; &lt;a href="original-moses2.html" target="_blank"&gt;Moses&lt;/a&gt; ) </code></pre> <p>Phrase Holder:</p> <pre><code>Moses supposes his toeses are roses, but {%0%} supposes erroneously; for nobody's toeses are posies of roses, as Moses supposes his toeses to be. Ganda &lt;span class="cenas"&gt;{%1%}&lt;/span&gt;! </code></pre> <p>(pre) Final Phrase (with my keyword replaced):</p> <pre><code>&lt;a href="novo-mega-link.php"&gt;Moses&lt;/a&gt; supposes his toeses are roses, but {%0%} supposes erroneously; for nobody's toeses are posies of roses, as &lt;a href="novo-mega-link.php"&gt;Moses&lt;/a&gt; supposes his toeses to be. Ganda &lt;span class="cenas"&gt;{%1%}&lt;/span&gt;! </code></pre> <p><strong>Final Phrase:</strong></p> <pre><code>&lt;a href="novo-mega-link.php"&gt;Moses&lt;/a&gt; supposes his toeses are roses, but &lt;a href="original-moses1.html"&gt;Moses&lt;/a&gt; supposes erroneously; for nobody's toeses are posies of roses, as &lt;a href="novo-mega-link.php"&gt;Moses&lt;/a&gt; supposes his toeses to be. Ganda &lt;span class="cenas"&gt;&lt;a href="original-moses2.html" target="_blank"&gt;Moses&lt;/a&gt;&lt;/span&gt;! </code></pre>
 

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