Python re.sub(): how to substitute all 'u' or 'U's with 'you'

Question

I am doing some text normalization using python and regular expressions. I would like to substitute all \'u\'or \'U\'s with \'you\'. Here is what I have done so far:

Answer 1

This worked for me:

    import re
    text = 'how are u? umberella u! u. U. U@ U# u '
    rex = re.compile(r'\bu\b', re.IGNORECASE)
    print(rex.sub('you', text))

It pre-compiles the regular expression and makes use of re.IGNORECASE so that we don't have to worry about case in our regular expression! BTW, I love the funky spelling of umbrella! :-)