fork download 
  1. strs = ['http://f...content-available-to-author-only...r.com/site-feedback-issues-feature-requests/20/', 'https://f...content-available-to-author-only...t.net/index.php/board,1.50.html', 'https://f...content-available-to-author-only...o.com/how-can-i-help-comodo-please-we-need-you-b39.30/']
  2. arr = strs.map {|item| item.gsub(/\d+(?!.*\d)/) {$~[0].to_i+10}}
  3. puts arr
  4.  
Success #stdin #stdout 0.03s 9768KB
comments ()
stdin 
Standard input is empty
stdout 
http://f...content-available-to-author-only...r.com/site-feedback-issues-feature-requests/30/
https://f...content-available-to-author-only...t.net/index.php/board,1.60.html
https://f...content-available-to-author-only...o.com/how-can-i-help-comodo-please-we-need-you-b39.40/
https://ideone.com/o1HyWz
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
secret

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