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  1. $_ = "     Hallo   World\n  This     is   demo    \n";
  2. print;
  3. s/\S\K +/ /g;
  4. print;
Success #stdin #stdout 0s 4552KB
comments (?)
stdin
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Standard input is empty
stdout
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     Hallo   World
  This     is   demo    
     Hallo World
  This is demo
https://ideone.com/D8ICiE
language:
Perl (perl 5.28.1)
created:
11 years ago
visibility:
public

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