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  1. <?php
  2.  
  3. // your code goes here
  4.  
  5. $buffer= "karimkhan . 8090";
  6.  
  7. $buffer =PREG_REPLACE('/[0-9.]+/','', $buffer);
  8.     echo $buffer;
  9.  
  10.  
  11. ?>
Success #stdin #stdout 0.01s 20520KB
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stdin 
Standard input is empty
stdout 
karimkhan
https://ideone.com/KgFm3I
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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