Extracting the last n characters from a ruby string

Question

To get the last n characters from a string, I assumed you could use

ending = string[-n..-1]

but if the string is less than

Answer 1

Here you have a one liner, you can put a number greater than the size of the string:

"123".split(//).last(5).to_s

For ruby 1.9+

"123".split(//).last(5).join("").to_s

For ruby 2.0+, join returns a string

"123".split(//).last(5).join