/gsub.yml

https://github.com/felixgao/chitsheet · YAML · 8 lines · 8 code · 0 blank · 0 comment · 0 complexity · a0c71a29a0f7a0750684de672f51e368 MD5 · raw file 

    

  1. --- 
    2. 

  2. gsub: |-
    3. 

  3.   >> "dog cat".gsub(/(dog) cat/, "cat")
    4. 

  4.   => "cat"
    5. 

  5.   >> "dog cat".gsub(/(dog) cat/, '\1')
    6. 

  6.   => "dog"
    7. 

  7.   >> "20 dogs".gsub(/\d+/) { |num| num.to_i + 1 }
    8. 

  8.   => "21 dogs"
    9.