Check first Letter of Line in File Uppercase

Question

How would I write a regular expression that checks the first letter on a line in a text file and then put something in front of the character if its uppercase? This is what I have so far:

import re

p = re.compile(r'(.*)([A-Z])(.*)>')
...
pr = p.sub(r'\1<P>\2</p>', line)

Answer 1

Regular expressions are not needed here, as you can solve the problem with the built-in isupper() function:

if word[0].isupper():
    new_s = "Something in front %s" % word

Answer 2

How would I write a regular expression that checks the first letter on a line:

>>> re.sub(r'^([A-Z])',r'>\1',"Abc")
'>Abc'
>>> re.sub(r'^([A-Z])',r'>\1',"abc")
'abc'