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# tag::RE_DEMO[]

import re

re_numbers_str = re.compile(r'\d+') # <1>

re_words_str = re.compile(r'\w+')

re_numbers_bytes = re.compile(rb'\d+') # <2>

re_words_bytes = re.compile(rb'\w+')

text_str = ("Ramanujan saw \u0be7\u0bed\u0be8\u0bef" # <3>

" as 1729 = 1³ + 12³ = 9³ + 10³.") # <4>

text_bytes = text_str.encode('utf_8') # <5>

print(f'Text\n {text_str!r}')

print('Numbers')

print(' str :', re_numbers_str.findall(text_str)) # <6>

print(' bytes:', re_numbers_bytes.findall(text_bytes)) # <7>

print('Words')

print(' str :', re_words_str.findall(text_str)) # <8>

print(' bytes:', re_words_bytes.findall(text_bytes)) # <9>

# end::RE_DEMO[]