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  1. <?php
  2.  
  3. echo preg_replace('#(?<!\*)\*([a-zA-Z\s\.]+)\*(?!\*)#i', '<em>$1</em>', '**bold text with *italic* **');
  4.  
  5. echo '<br>';
  6. echo '<br>';
  7.  
  8. echo preg_replace('#(?<!\*)\*([a-zA-Z\s\.]+)\*?(?!\*)#i', '<em>$1</em>', '*italic text **with bold** *');
Success #stdin #stdout 0.01s 82944KB
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stdin
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Standard input is empty
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**bold text with <em>italic</em> **<br><br><em>italic text</em> **with bold** *
https://ideone.com/Mnk3nM
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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