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  1. <?php
  2.  
  3. $re = "/(?:
  4.  (\\((?>[^()]|(?1))*\\)) # Match (..(.)) like substrings
  5.  |
  6.  ({(?>[^{}]|(?2))*})   # Match {{.}..} like substrings
  7. )
  8. (*SKIP)(*F)  # Ignore the texts matched
  9. |
  10. (?:FIRSTNAME|LASTNAME|PHONE|EMAIL)/x"; 
  11. $str = "FIRSTNAME LASTNAME PHONE EMAIL {FIRSTNAME LASTNAME PHONE EMAIL{FIRSTNAME LASTNAME PHONE EMAIL }FIRSTNAME LASTNAME PHONE EMAIL }"; 
  12. $n = preg_replace($re, "", $str);
  13. echo $n;
Success #stdin #stdout 0.02s 52472KB
comments (?)
stdin 
Standard input is empty
stdout 
    {FIRSTNAME LASTNAME PHONE EMAIL{FIRSTNAME LASTNAME PHONE EMAIL }FIRSTNAME LASTNAME PHONE EMAIL }
https://ideone.com/0bvHJX
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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