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  1. #!/usr/bin/perl
  2. use feature qw(say);
  3.  
  4. $math = "120%*20%";
  5. $math =~ /(\d+)(\%?)(\*|\+|\/|-)(\d+)(\%?)/g;
  6.  
  7. say eval "$1 $3 $4";
  8.  
Success #stdin #stdout 0s 3740KB
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Standard input is empty
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2400
https://ideone.com/25gQnJ
language:
Perl (perl 5.28.1)
created:
9 years ago
visibility:
public

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