Common Ruby Idioms

Question

One thing I love about ruby is that mostly it is a very readable language (which is great for self-documenting code)

However, inspired by this question: Ruby Code ex

Answer 1

I like this:

str = "Something evil this way comes!"
regexp = /(\w[aeiou])/

str[regexp, 1] # <- This

Which is (roughly) equivalent to:

str_match = str.match(regexp)
str_match[1] unless str_match.nil?

Or at least that's what I've used to replace such blocks.