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  1. <?php
  2. $stringNotSpecial='mySite-1238459846.js'; //Works!
  3. $stringSpecial='stuff BEFORE...<script src=\'/assets/mySite-0123456789.js\'></script>stuff AFTER...';
  4. $timestamp='0123456789';
  5. $pattern = '/mySite-[0-9]+.js/';
  6. echo preg_replace($pattern, 'mySite-'.$timestamp.'.js', $stringNotSpecial);
  7. echo '<br>';
  8. echo preg_replace($pattern, 'mySite-'.$timestamp.'.js', $stringSpecial);
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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mySite-0123456789.js<br>stuff BEFORE...<script src='/assets/mySite-0123456789.js'></script>stuff AFTER...
https://ideone.com/Vq8TSS
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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