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  1. <?php
  2.  
  3. $re = '/^(?:locality|suburb)(?:(?:-|_)?name)?$/im';
  4. $str = 'locality
  5. Locality
  6. LocalityName
  7. locality_name
  8. locality-name
  9. suburb
  10. Suburb
  11. SuburbName
  12. suburb_name
  13. suburb-name
  14. locality_pid
  15. locality_index
  16. LocalityRef
  17. street_locality_pid
  18. street_suburb_pid
  19. ';
  20.  
  21. preg_match_all($re, $str, $matches);
  22.  
  23. // Print the entire match result
  24. print_r($matches);
  25.  
  26. ?>
Success #stdin #stdout 0.01s 52488KB
stdin
Standard input is empty
stdout
Array
(
    [0] => Array
        (
            [0] => locality
            [1] => Locality
            [2] => LocalityName
            [3] => locality_name
            [4] => locality-name
            [5] => suburb
            [6] => Suburb
            [7] => SuburbName
            [8] => suburb_name
            [9] => suburb-name
        )

)