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  1. str_a = "the_quick_brown_fox"
  2. str_b = "the_quick_red_fox"
  3.  
  4. puts str_a.each_char.with_index
  5.   .find_index {|char, idx| char != str_b[idx] } || str_a.size
Success #stdin #stdout 0.06s 9656KB
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10
https://ideone.com/Ttwu1x
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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