language: PHP (php 5.4.4)
date: 946 days 19 hours ago
link:
visibility: public 
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<?php
$subject = <<<EOT
Is there a Dr. House in the house?  You'll always remember this as the day you almost caught Capt. Jack Sparrow!
EOT;
 
$pattern = <<<EOT
/(?:
   \.
     (?<!\bComdr\.)
     (?<!(?=\b[A-Z])(?:Assn|C(?:apt|orp)|Inst)\.)
     (?<!(?=\b[A-Z])(?:C(?:ol|pl)|Esq|G(?:en|ov)|Hon|Inc|Ltd|Mrs|Rev|Sgt)\.)
     (?<!(?=\b[A-Z])(?:Dr|Jr|Lt|M[rs]|S[rt])\.)
     (?<!\b[A-Z]\.)
   |
   [!?]
 )
 (?:\s*$|\s+(?:[_$#]|[A-Z][^.]))
/x
EOT;
 
preg_match_all($pattern, $subject, $result, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($result[0]); $i++) {
  print($result[0][$i] . "\n");
}
?>