Ruby multiple string replacement

Question

str = \"Hello☺ World☹\"

Expected output is:

\"Hello:) World:(\"

I can do this: str.gsub(\"☺\", \":)\").gsu

Answer 1

Another simple way, and yet easy to read is the following:

str = '12 ene 2013'
map = {'ene' => 'jan', 'abr'=>'apr', 'dic'=>'dec'}
map.each {|k,v| str.sub!(k,v)}
puts str # '12 jan 2013'