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  1. <?php
  2.  
  3. $reg = '/^[-а-яё0-9_]+$|^[-0-9a-z_]+$/ui';
  4. $ar = [
  5. 	"Дубай",
  6. 	"дубай",
  7. 	"ДУБАЙ",
  8. 	"1ДУБАЙ",
  9. 	"ДУБАЙ1",
  10. 	"_ДУБАЙ",
  11. 	"ДУБ_АЙ",
  12. 	"-ДУБАЙ",
  13. 	"ДУБ-АЙ",
  14. 	"ДУБАЙ-",
  15. 	"Well",
  16. 	"well",
  17. 	"WELL",
  18. 	"1WELL",
  19. 	"WELL1",
  20. 	"_WELL",
  21. 	"WE_LL",
  22. 	"-WELL",
  23. 	"WE-LL",
  24. 	"WELL-",
  25. 	"WELL#",
  26. 	"WEL%L-",
  27. 	"WE^LL-",
  28. 	"WE|LL-",
  29. 	"ЦWELL-",
  30. 	"цWELL-",
  31. 	"цWELL",
  32. 	"цWELL",
  33. 	"WE LL",
  34. 	"Я WELL",
  35. ];
  36. $cnt = 0;
  37. foreach ($ar as $item) {
  38. 	$result = preg_match($reg,$item);
  39.  
  40. 	if( $result===1 ) {
  41. 	   echo "match $item", PHP_EOL;
  42. 		++$cnt;
  43. 	}else
  44. 		echo "not match $item", PHP_EOL;
  45.  
  46. }
  47. echo $cnt.'/'.count($ar);
Success #stdin #stdout 0s 82944KB
comments (?)
stdin 
Standard input is empty
stdout 
match Дубай
match дубай
match ДУБАЙ
match 1ДУБАЙ
match ДУБАЙ1
match _ДУБАЙ
match ДУБ_АЙ
match -ДУБАЙ
match ДУБ-АЙ
match ДУБАЙ-
match Well
match well
match WELL
match 1WELL
match WELL1
match _WELL
match WE_LL
match -WELL
match WE-LL
match WELL-
not match WELL#
not match WEL%L-
not match WE^LL-
not match WE|LL-
not match ЦWELL-
not match цWELL-
not match цWELL
not match цWELL
not match WE LL
not match Я WELL
20/30
https://ideone.com/aLLk9C
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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