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  1. <?php
  2.  
  3. $expression = 'troll(s|ed|ing) bug(s|ged|ging)';
  4.  
  5. preg_match_all('~\b(.*?)\((.*?)\)~', $expression, $matches_alternates);
  6.  
  7. foreach ($matches_alternates[0] AS $alternate_key => $alternate_val) {
  8.  
  9. 	$alternates = explode('|', $matches_alternates[2][$alternate_key]);
  10.  
  11. 	foreach ($alternates AS $alternate) {
  12. 		print "\n".$matches_alternates[1][$alternate_key].$alternate;
  13. 	}
  14.  
  15. }
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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trolls
trolled
trolling
bugs
bugged
bugging
https://ideone.com/OJG9eC
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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