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  1. <?php
  2. $string = 'Você está bem? 123 # ! @ ...';
  3. echo 'Text 1:'. preg_replace('/[^\w\s+$]/u', '_', $string);
  4.  
  5. echo "\n";
  6.  
  7. $string = utf8_decode('Você está bem? 123 # ! @ ...');
  8. echo 'Text 2: '. preg_replace('/[^\w\s+$]/u', '_', $string);
  9. ?>
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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Text 1:Você está bem_ 123 _ _ _ ___
Text 2:
https://ideone.com/IagsYU
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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