4.20. Regex RE Substitute

• re.sub()

• Replace matched substring with text

4.20.1. Examples

Usage of re.sub():

>>> import re
>>>
>>>
>>> DATA = 'Baked Beans And Spam'
>>> pattern = r'\s[a-z]{3}\s'
>>>
>>> re.sub(pattern, ' & ', DATA, flags=re.IGNORECASE)
'Baked Beans & Spam'