For example,
https://example.com/theater/13/130301/3271/
Represents ISBN from the URL
130301/3271/
I would like to extract as a key.
sre_constants.error:missing), unterminated subpattern at position 1
I get an error like this, but I don't know what to do, so please let me know.
The program is as follows:
import re
url='https://example.com/theater/13/130301/3271/'
m = re.search(r'/(^/([^/])+) $', url)
print(m.group(1))
missing),
This means that the ) that should exist cannot be found (not enough).
The reason is that there are two open brackets (), but there is only one closed bracket and it is not compatible.
If I were to create a group, I think it would be as follows.
import re
url='https://example.com/theater/13/130301/3271/'
m=re.search(r'([^/]+/[^/]+/)$',url)
print(m.group(1))
Output:
130301/3271/
By the way, in this case, you don't have to make a group because the whole match is the result you want.
The group method is considered 0 if you omit the argument, and 0 means the whole match.
m=re.search(r'[^/]+/[^/]+/$',url)
print(m.group())
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