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  1. <?php
  2.  
  3. $str = '   ';
  4.  
  5. if (preg_match_all('/\s{2,}/u', $str, $matches)) {
  6.     var_dump($matches);
  7. }
  8.  
Success #stdin #stdout 0.02s 52480KB
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stdin
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Standard input is empty
stdout
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array(1) {
  [0]=>
  array(1) {
    [0]=>
    string(4) "   "
  }
}
https://ideone.com/m0XpDL
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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