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  1. <?php
  2.  
  3. $pattern = '~http://([A-Za-z0-9.-]*)~';
  4. $text = "http://www.google.com";
  5. $text = preg_replace($pattern,'<a href="\0">\0</a>',$text);
  6. echo $text;
Success #stdin #stdout 0.03s 52480KB
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stdin
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Standard input is empty
stdout
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<a href="http://www.google.com">http://www.google.com</a>
https://ideone.com/5N8Ior
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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