How to mimic fall through with ruby

case_eg.rb

# Usage:
#   foo('Near the intersection of Lexington Ave and E 40th St') 
#   # => ['Lexington Ave', 'E 40th St']
#   foo('Between Lexington Ave and E 40th St') 
#   # => ['Lexington Ave', 'E 40th St']
# 
def foo(value)
  case value
  when (re = /^Near the intersection of (.*) and (.*)$/)
  when (re = /^Between (.*) and (.*)$/)
  end

  value.scan(re).flatten
end