Issue #6150 has been reported by Suraj Kurapati.

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Feature #6150: add Enumerable#grep_v
https://bugs.ruby-lang.org/issues/6150

Author: Suraj Kurapati
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 


Please add a grep_v() method to Enumerable that behaves like the opposite of grep().

For example, if Enumerable#grep() was implemented like this:

module Enumerable
  def grep pattern
    select {|x| pattern =~ x }
  end
end

then Enumerable#grep_v() would be implemented like this (select becomes reject):

module Enumerable
  def grep_v pattern
    reject {|x| pattern =~ x }
  end
end


The method name "grep_v" comes from the "-v" option passed to grep(1).

Thanks for your consideration.


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