import re
 
number_words = [ "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
number_words_tens =[ "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" ]
number_words_rx = re.compile(r'\b(?:(?:{0})?(?:{1})|(?:{0}))\b'.format("|".join(number_words_tens),"|".join(number_words)))
main_rx = re.compile(r'\s*\d+(?:\s+(?:and\s+)?\d+){2,}')
numbers_1_99 = number_words
numbers_1_99.extend(tens if ones == "zero" else (tens + "-" + ones) # stackoverflow.com/a/8982279/3832970
    for tens in "twenty thirty forty fifty sixty seventy eighty ninety".split()
    for ones in numbers_1_99[0:10])
 
def text2int(textnum, numwords={}): # stackoverflow.com/a/493788/3832970
    units = [
        "zero", "one", "two", "three", "four", "five", "six", "seven", "eight",
        "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen",
        "sixteen", "seventeen", "eighteen", "nineteen",
    ]
    tens = ["", "", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"]
    numwords["and"] = (1, 0)
    for idx, word in enumerate(units):
        numwords[word] = (1, idx)
    for idx, word in enumerate(tens):
      	numwords[word] = (1, idx * 10)
    current = result = 0
    for word in textnum.split():
        if word not in numwords:
          raise Exception("Illegal word: " + word)
 
        scale, increment = numwords[word]
        current = current + increment
 
    return result + current
sample1 = "hello my name is sofie my social security number is thirteen zero four five and seventy eighteen seven and forty and I live on mountain street number twelve"
sample1 = number_words_rx.sub(lambda x: str(text2int(x.group())), sample1)
#3 or more numbers occur with only whitespace or "and"
re_results = main_rx.sub('', sample1)
print( re.sub(r'\d{1,2}', lambda x: numbers_1_99[int(x.group())], re_results) )

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