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  1. <?php
  2.  
  3. $pattern = '/^.{0,30}$/u';
  4. $value='12345678901234567890123456789Å';
  5. if (!preg_match($pattern, $value)) {
  6.     echo "not match\n";
  7. }
  8. else echo "match!\n";
  9.  
  10. $pattern = '/^\X{0,30}$/u';
  11. $value='12345678901234567890123456789Å';
  12. if (!preg_match($pattern, $value)) {
  13.     echo 'not match';
  14. }
  15. else echo "match!";
Success #stdin #stdout 0.02s 52472KB
comments ()
stdin
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Standard input is empty
stdout
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not match
match!
https://ideone.com/XihsEE
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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