Searching for a pattern in a text file

Question

Does anybody know why it's not working?

file= open("Source_text.txt", "r")
pattern1= r'[A-Z][a-z]+'
match= re.findall(pattern1,file)

I have error that findall expects string or bytes-like object. But when I copy the content from the file directly to the code and assign it to a variable then it works e.g.

file= "This is a content of a file."
pattern1= r'[A-Z][a-z]+'
match= re.findall(pattern1,file)

How can I find the pattern without copy the content to code?

Answer 1

You have to read the file into a var first and pass that into findall()

pattern = r'[A-Z][a-z]+'

with open ("Source_text.txt", "r") as f:
data = f.read()
match = re.findall(pattern, data, re.M)
# re.M is for multiple lines omit if not needed