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ruby is int

By Hungry HedgehogHungry Hedgehog on Jun 07, 2020 
1.is_a? Integer
=> true
"[email protected]".is_a? Integer
=> false
nil.is_a? Integer
=> false

Source: stackoverflow.com

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1

ruby test is number

By Envious ElkEnvious Elk on Aug 30, 2020 
12.is_a? Numeric

Source: stackoverflow.com

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0

ruby check if string is integer

By Nice NightingaleNice Nightingale on Jun 16, 2020 
class String
  def numeric?
    Float(self) != nil rescue false
  end
end
"Hello World!".numeric?

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