Answers for "ruby is number"

1

ruby is int

1.is_a? Integer
=> true
"[email protected]".is_a? Integer
=> false
nil.is_a? Integer
=> false
Posted by: Guest on June-07-2020
0

ruby test is number

12.is_a? Numeric
Posted by: Guest on August-30-2020
-1

ruby check if string is integer

class String
  def numeric?
    Float(self) != nil rescue false
  end
end
"Hello World!".numeric?
Posted by: Guest on June-16-2020

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