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  1. <?php
  2. $string = '<a href="hoge">ここ</a> ここ <a href="hoge">ほげ</a>';
  3. $patterns = '/(<a.*?<\/a>)|(ここ)/e';
  4. $replace = '"\1"?"\1":"<strong>\2</strong>"';
  5. echo preg_replace($patterns, $replace, $string);
  6. ?>
Success #stdin #stdout 0.02s 13064KB
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<a href="hoge">ここ</a> <strong>ここ</strong> <a href="hoge">ほげ</a>
https://ideone.com/7RFQp
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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