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  1. <?php
  2.  
  3. $str = 'C4193A,C4198A'; 
  4. $regex = '/([a-zA-Z0-9]+)/u';
  5.  
  6. echo preg_replace($regex, "'\$0'", $str);
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin 
Standard input is empty
stdout 
'C4193A','C4198A'
https://ideone.com/KdzMUv
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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