I’m trying to improve the permalink redirects on the vbulletin importer. Vbulletin can have any of several URL formats. My solution is to create generic permalinks which will then be handled by permalink normalizations. Like this: Old URL: http://somesite/forums/f38/slug-blah-blah-blue-11769.html …

I thought that perhaps my problem was that I didn’t need to \ escape the /s in my replacement string, but that doesn’t seem to have solved it either. And I’ve confirmed that the regex works, it’s the replacement that’s broken. If I create a permalink badword-11769 and use this /forums\/f[0-9]+\/.…

I’m good with REs, but that means I know there are a maze of similar looking implementations all with slightly different syntax. Your RE looks to be / delimited, but has no closing /: /forums\/f[0-9]+\/.+-([0-9])+\.html.*/oldlinks\/topics\/thread-\1/ (And here I also wonder is it \1 or $1 for subs…

[صورة] elijah: Your RE looks to be / delimited, but has no closing /: [صورة] elijah: (And here I also wonder is it \1 or $1 for substitutions?) Here’s the most convenient answer to those questions: [صورة] There’s no trailing / in their example (I think I included one in one of my ear…

[صورة] pfaffman: There’s no trailing / in their example Isn’t there? I.e. /(topic.*)\?.*/ I can’t help but wonder, do you actually have URLs that have “.html” towards the end, and if you do, how often are they followed by zero or more nothing, anything, everything characters?

I meant after the replacement string. I have a / at the end of my RE (right?), but not the end of the replacement. [صورة] Mittineague: I can’t help but wonder, do you actually have URLs that have “.html” towards the end, I don’t know. Perhaps not. In other systems I’ve seen various cruft aft…

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pfaffman (Jay Pfaffman) 9 مارس 2017، 12:54ص 3

Thanks, @elijah. Are you saying I’m missing one, or that I’ve got an extra? In either case, it looks OK, right? I added an image of the normalizations since there’s no way to copy them.

الموضوع		الردود	مرات العرض
Permalink normalization regex problem Development	1	1017	17 ديسمبر 2016
How does permalink normalization with regex work? Product Support	3	157	11 مارس 2025
Redirects in Discourse from Xenforo Product Support	3	347	27 أبريل 2024
Non-permalink normalizations Development	11	1470	11 مايو 2017
Permalinks not working for some URLs Product Support	1	1012	4 ديسمبر 2016

مشكلة في الروابط الدائمة، أم في regex؟

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