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  1. <?php
  2.  
  3. $string1 = "one mice";
  4. $string2 = "one .mice";
  5. $string3 = "mice";
  6.  
  7. if (preg_match("/(?<![a-z] )\.?\bmice\b/i", $string1)) { echo "1"; }
  8. if (preg_match("/(?<![a-z] )\.?\bmice\b/i", $string2)) { echo "2"; }
  9. if (preg_match("/(?<![a-z] )\.?\bmice\b/i", $string3)) { echo "3"; }
  10.  
Success #stdin #stdout 0.02s 52472KB
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https://ideone.com/rhZsuW
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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