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  1. <?php
  2.  
  3. $re = "/(?<=affiliatewire_)[^_\r\n]++/"; 
  4. $str = "param0_test1_param1_affiliatewire_name1_test2_param2_param3
  5. param0_test1_param1_affiliatewire_name_test2_param2_param3
  6. param0_test1_param1_affiliatewire_trollolo_test2_param2_param3"; 
  7.  
  8. preg_match_all($re, $str, $matches);
  9.  
  10. print_r($matches);
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => Array
        (
            [0] => name1
            [1] => name
            [2] => trollolo
        )

)
https://ideone.com/zh17o4
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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