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  1. <?php
  2.  
  3. $re = '/^\h+|\h+$|(\R){2,}|(\s){2,}/m';
  4. $flightinfo = ' 1 . BritishAirways 15FEB LONDON HONGKONG
  5.  
  6.  
  7.      2 . CathayPacific  01MAR     HONGKONG   SHANGHAI
  8.  
  9.  
  10.  
  11.   3 . Qantas   12MAR SINGAPORE SYDNEY';
  12. $flightinfo = preg_replace($re, '$1$2', $flightinfo);
  13. echo $flightinfo;
Success #stdin #stdout 0.01s 82944KB
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1 . BritishAirways 15FEB LONDON HONGKONG
2 . CathayPacific 01MAR HONGKONG SHANGHAI
3 . Qantas 12MAR SINGAPORE SYDNEY
https://ideone.com/5VbCKC
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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