Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/panoptimon/util/string-with-as_number.rb

Overview

from perlfaq4

Instance Method Summary collapse

Instance Method Details

#as_number ⇒ Object 



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# File 'lib/panoptimon/util/string-with-as_number.rb', line 1

def as_number # from perlfaq4
  self =~ %r{\A[+-]?(?=\.?\d)\d*\.?\d*(?:[Ee][+-]?\d+)?\z} \
  ? (self =~ %r{[\.Ee]} ? self.to_f : self.to_i)
  : nil
end