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  1. <?php
  2. $regex = '#(?<=[^a-z])\s|\s(?=[^a-z])#';
  3.  
  4. $str = 'something or something';
  5. $repl = preg_replace($regex, '', $str);
  6. var_dump($repl);
  7.  
  8. $str = 'funcName ( "fsd fas" )';
  9. $repl = preg_replace($regex, '', $str);
  10. var_dump($repl);
  11. ?>
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
string(22) "something or something"
string(19) "funcName("fsd fas")"
https://ideone.com/4fOEo3
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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