Mega Code Archive
Generator based on regualr expression
<![CDATA[
require 'generator'
l = ["junk1", 1, "junk2", 2, "junk3", "junk4", 3, "junk5"]
g = Generator.new { |g| l.each { |e| g.yield e unless e =~ /^junk/ } }
g.next # => 1
g.next # => 2
g.next # => 3
]]>