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  1. <?php
  2. $s = 'text If you want this';
  3. echo preg_replace_callback("/(?<start>.*)(?<mid>If (I|you) want)(?<end>.*)/iu", function($m) {
  4. 	return $m['start'].'*'.$m['mid'].'*'.$m['end'];
  5. }, $s);
Success #stdin #stdout 0s 82944KB
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Standard input is empty
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text *If you want* this
https://ideone.com/qmBdOO
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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