Twitter Emoji Extractor

emoji-extractor.rb

require 'twemoji'
require 'active_support/core_ext/string/inflections'

sentence = "I like chocolate"

words = sentence.downcase.split(/\W+/)
words.delete_if { |w| w.size <= 2 }
emojis = ""

words.each do |word|
  word = word.singularize
  word = ':' + word + ':'
  emoji = Twemoji.find_by_text(word)
    if emoji
      emojis << Twemoji.render_unicode(word)
     end
 end
 
if emojis.size >= 1 
  emojis << ' '
end
 
 p emojis