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  1. <?php
  2.  
  3. $string = "This is a test id=abc> string";
  4. $replace = preg_replace('/=([\w]+)/i', '="$1"', $string );
  5.  
  6. echo $replace ;
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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This is a test id="abc"> string
https://ideone.com/OurhHV
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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