Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/to_range/string.rb

Instance Method Summary collapse

Instance Method Details

#to_range ⇒ Object 



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# File 'lib/to_range/string.rb', line 5

def to_range
  str = scan(/\d+\.{2,3}\d+/).first
  dots = str.count('.')
  if dots > 3
    raise ToRangeParseFailed
  end
  three_dots = (dots == 3)
  arr = three_dots ? str.split('...') : str.split('..')
  first = arr.first.to_i
  last = arr.last.to_i
  three_dots ? first...last : first..last
end