Class: String

Inherits:

Object

Object
String

show all

Defined in:: lib/benford.rb

Instance Method Summary collapse

Instance Method Details

#first ⇒ `Object`



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# File 'lib/benford.rb', line 56

def first
  self.to_i.to_s[0,1]
end

#is_numeric? ⇒ `Boolean`

Returns:

(Boolean)



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# File 'lib/benford.rb', line 60

def is_numeric?
  self.to_s.match(/\A[+-]?\d+?(\.\d+)?\Z/) == nil ? false : true 
end