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  1. <?php
  2.  
  3. $pattern = "~\\.(?=[^']*'$)~i";
  4. $replacement = "\\x2e";
  5. $subject = "window.location.href='www.example.com'";
  6. echo preg_replace($pattern, $replacement, $subject);
Success #stdin #stdout 0.02s 52432KB
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Standard input is empty
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window.location.href='www\x2eexample\x2ecom'
https://ideone.com/b1GDZS
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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