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  1. <?php
  2.  
  3. $data =  "<p class=\"title\">Title one</p>";
  4. $data .= "<p class=\"title\">Title two</p>";
  5. $data .= "<p class=\"title\">Title three</p>";
  6.  
  7. $reg = 	"/<p.*?class=[\"']*title[\"']*.*?>.*?<\/p.*?>/si";
  8.  
  9. $repl = "<p class=\"my\">Replace on two</p>";
  10.  
  11. echo $data, " -------> ";
  12. echo preg_replace($reg, $repl, $data);
Success #stdin #stdout 0.01s 20568KB
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<p class="title">Title one</p><p class="title">Title two</p><p class="title">Title three</p> -------> <p class="my">Replace on two</p><p class="my">Replace on two</p><p class="my">Replace on two</p>
https://ideone.com/GCrNcK
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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