Regex for a custom identifier breaking links

ownedbycats · 03-08-2021, 09:05 PM

I have this identifier for Open Library books: https://openlibrary.org/books/{id}/

However, i came across a strange behaviour with it. See this:

https://openlibrary.org/works/OL3965645W/Cats
https://openlibrary.org/books/OL3965645W/Cats

Though the ID works the same regardless, the URL may use either works or books. (Not sure why but i suspect it's to do with multiple editions.) If I paste in a URL with the wrong one, it fails to detect.

If I use https://openlibrary.org/(books|works)/{id}/ it does detect correctly, but then breaks the clickable links in details.

Any suggestions on what to do?

kovidgoyal · 03-08-2021, 11:04 PM

make two rules one for each type of url.

ownedbycats · 03-08-2021, 11:12 PM

I did that, but now I have two duplicate identifiers for one value. Is that expected?

kovidgoyal · 03-08-2021, 11:19 PM

Yes every matching rule produces an entry.

ownedbycats · 03-09-2021, 01:29 AM

Thank you

03-08-2021, 09:05 PM	#1
ownedbycats Custom User Title Posts: 11,369 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Regex for a custom identifier breaking links I have this identifier for Open Library books: https://openlibrary.org/books/{id}/ However, i came across a strange behaviour with it. See this: https://openlibrary.org/works/OL3965645W/Cats https://openlibrary.org/books/OL3965645W/Cats Though the ID works the same regardless, the URL may use either works or books. (Not sure why but i suspect it's to do with multiple editions.) If I paste in a URL with the wrong one, it fails to detect. If I use https://openlibrary.org/(books\|works)/{id}/ it does detect correctly, but then breaks the clickable links in details. Any suggestions on what to do? Last edited by ownedbycats; 03-08-2021 at 10:59 PM.

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03-08-2021, 11:04 PM	#2
kovidgoyal creator of calibre Posts: 45,622 Karma: 28549046 Join Date: Oct 2006 Location: Mumbai, India Device: Various	make two rules one for each type of url.

03-08-2021, 11:12 PM	#3
ownedbycats Custom User Title Posts: 11,369 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	I did that, but now I have two duplicate identifiers for one value. Is that expected?

03-08-2021, 11:19 PM	#4
kovidgoyal creator of calibre Posts: 45,622 Karma: 28549046 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Yes every matching rule produces an entry.

03-09-2021, 01:29 AM	#5
ownedbycats Custom User Title Posts: 11,369 Karma: 79528341 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	Thank you

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