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hoangbits/filter_number.rb

Created June 3, 2022 03:01
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filter_number.rb
irb(main):015:0> ["1",2,3,4,5].select {|val| val.is_a? Numeric }
=> [2, 3, 4, 5]
irb(main):016:0> ["X","-",3,4,5].select {|val| val.is_a? Numeric or val == "X"}
=> ["X", 3, 4, 5]
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