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  1. #!/usr/bin/perl
  2. # your code goes here
  3.  
  4. $txt = "1,2,3,{4,5,6,7,8},9,10,100";
  5. $txt =~ s/(\{\s*|(?<!^)\G)(\d+),(?=[,0-9]*\})/$1$2|/g;
  6. print $txt;
Success #stdin #stdout 0s 6000KB
comments (?)
stdin 
Standard input is empty
stdout 
1,2,3,{4|5|6|7|8},9,10,100
https://ideone.com/xauvlt
language:
Perl (perl 5.28.1)
created:
10 years ago
visibility:
public

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