input: Write a function to identify the words in a given sentence that contain more than one vowel. Use regular expressions to achieve this. If the sentence is empty, return an empty list.
  
  def identify_words_with_vowels(sentence):
      if not sentence:
          return []
      pattern = r"\b(\w*[aeiou]\w*){2,}\b"
      match = re.findall(pattern, sentence)
      return match
  
  assert identify_words_with_vowels("The quick brown fox jumped over the lazy dog.")==['quick', 'brown', 'jumped', 'over', 'lazy']
  assert identify_words_with_vowels("A e I o U")==[]
  assert identify_words_with_vowels("This is a test sentence with a few words having multiple vowels.")==['This', 'test', 'sentence', 'with', 'few', 'words', 'having', 'multiple', 'vowels']
  assert identify_words_with_vowels("")==[]
output: import re
  
  def identify_words_with_vowels(sentence):
      if not sentence:
          return []
      pattern = r"\b(\w*[aeiou]\w*){2,}\b"
      match = re.findall(pattern, sentence, re.IGNORECASE)
      return match