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  1. <?php
  2.  
  3. $txt = 'Текст   Текст       
  4.  
  5.  
  6.  
  7.  
  8.  
  9.  
  10.  
  11. 	Текст             те    кст';
  12. $patterns = [
  13. 	'/\n(\s*\n){2,}/',
  14. 	'/ {2,}/',
  15. 	'/\t/',
  16.  
  17. ];
  18. $replace = [
  19. 	PHP_EOL . PHP_EOL,
  20. 	' ',
  21. 	''
  22. ];
  23. echo $txt = preg_replace($patterns, $replace, $txt), PHP_EOL;
  24. echo '==================', PHP_EOL, nl2br($txt);
Success #stdin #stdout 0.01s 82944KB
comments (?)
stdin 
Standard input is empty
stdout 
Текст Текст 

Текст те кст
==================
Текст Текст <br />
<br />
Текст те кст
https://ideone.com/MI4oT9
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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