pig_latin_a.rb

# Fill in the methods below with your solution.
# Do not change the method names

# Iteration 1: Converting one word to Pig Latin

def convert_word_to_pig_latin(word)
  if word[0].downcase == 'a' || word[0].downcase == 'e' || word[0].downcase == 'i' || word[0].downcase == 'o' || word[0].downcase == 'u'
    word
  else
    str_front = ''
    str_behind = ''
    after_vowel = false
    word.split('').each do |letter|
      if after_vowel
        str_front += letter
        letter.downcase!
        after_vowel = true if letter == 'a' || letter == 'e' || letter == 'i' || letter == 'o' || letter == 'u'
      else
        str_behind += letter
      end
    end
    
    str_front + str_behind + 'ay'
  end
end

# def convert_word_to_pig_latin(word)
#   vowels = %w(a e i o u)

#   if vowels.include?(word[0].downcase)
#     word
#   else
#     str_front = ''
#     str_behind = ''
#     after_vowel = false
#     word.split('').each do |letter|
#       if after_vowel
#         str_front += letter
#         letter.downcase!
#         after_vowel = true if vowels.include?(letter)
#       else
#         str_behind += letter
#       end
#     end
    
#     str_front + str_behind + 'ay'
#   end
# end

# Iteration 2: Converting sentences to Pig Latin
# reuse the above method for each word in the sentence
def convert_sentence_to_pig_latin(sentence)
  sentence.split(' ').map{ |w| convert_word_to_pig_latin(w) }.join(" ")
end

p convert_sentence_to_pig_latin('hello world')

pig_latin_b.rb

# Fill in the methods below with your solution.
# Do not change the method names

# Iteration 1: Converting one word to Pig Latin
def convert_word_to_pig_latin(word)
  vowel_index = word =~ /[aeiouAEIOU]/
  if vowel_index == 0 || vowel_index == nil
    word
  else
    word[vowel_index..-1] + word[0..vowel_index - 1] + 'ay'
  end
end

# Iteration 2: Converting sentences to Pig Latin
def convert_sentence_to_pig_latin(sentence)
  sentence.split(' ').map{ |w| convert_word_to_pig_latin(w) }.join(" ")
end

p convert_sentence_to_pig_latin('hello world')

pig_latin_final.rb

# Fill in the methods below with your solution.
# Do not change the method names

# Iteration 1: Converting one word to Pig Latin
def convert_word_to_pig_latin(word)
  word.gsub(/([^aeiouAEIOU]+)([aeiouAEIOU][a-zA-Z]+)/, '\2\1ay')
end

# Iteration 2: Converting sentences to Pig Latin
def convert_sentence_to_pig_latin(sentence)
  # sentence.gsub(/(\A|\s)([^aeiouAEIOU]+)([aeiouAEIOU][a-zA-Z]+)/, '\1\3\2ay') 
  sentence.split(" ").map{|w| convert_word_to_pig_latin(w)}.join(" ")
end

p convert_sentence_to_pig_latin('hello world')