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  1. <?php
  2.  
  3. 	$var = 'itemid=537600240%3fusername%3d& ';
  4.  
  5. 	$regex = '/itemid=[0-9]+/';
  6.  
  7. 	preg_match ( $regex, $var, $result);
  8.  
  9. 	echo $result[0];
  10.  
  11. ?>
  12.  
Success #stdin #stdout 0.01s 20568KB
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stdin 
Standard input is empty
stdout 
itemid=537600240
https://ideone.com/SMho8e
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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