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  1. <?php
  2.  
  3. $str = '[city.name][city.state][city.mayor][city.mayor.name](city.name)';
  4. echo preg_replace('~(?:\G(?!^)|\[)[^][.]*\K\.~', '', $str);
Success #stdin #stdout 0.02s 23468KB
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[cityname][citystate][citymayor][citymayorname](city.name)
https://ideone.com/gxfAy0
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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