require 'date'
TRY_FORMATS = ['%d/%m/%y', '%Y %m %d']
def try_to_parse(s)
parsed = nil
TRY_FORMATS.each do |format|
begin
parsed = Date.strptime(s, format)
break
rescue ArgumentError
end
end
return parsed
end
puts try_to_parse('1/10/07').to_s # => "2007-10-01"
puts try_to_parse('2007 1 10').to_s # => "2007-01-10"