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  1. #!/usr/bin/perl
  2. # your code goes here
  3. foreach my $a ("123.4", "",  "123e4", "slovo") {
  4. 	if (($a +0) eq $a) {
  5. 		print $a;
  6. 	}
  7. }
  8.  
Success #stdin #stdout 0s 3564KB
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stdin
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Standard input is empty
stdout
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123.4
https://ideone.com/DA6dNW
language:
Perl (perl 5.28.1)
created:
10 years ago
visibility:
public

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