Cannot get my multiple regex working for specific case in URL structure

Question

I am trying to match regex for my URL structures below:

SPECIFIC CASE #1:
http://www.example.com/webapp/some-text.html
http://www.example.com/webapp/some-text-a1.html
http://www.example.com/webapp/some-a2-text.html

SPECIFIC CASE #2:
http://www.example.com/webapp/first-text-vs-some-text.html
http://www.example.com/webapp/first-text-a1-vs-sec-b2-text.html
http://www.example.com/webapp/first-text-a1-vs-sec-b2-text-vs-third-c3-text.html
http://www.example.com/webapp/some-text-a1-vs-sec-text-b2-vs-third-text-vs-last-text-c1.html

SPECIFIC CASE #3:
http://www.example.com/webapp/sub-app/some-text-a1.html

My regex is:

SPECIFIC CASE #1:
\/webapp\/(.*)\.html

SPECIFIC CASE #3:
\/webapp\/sub-app\/(.*)\.html

Case #1 and #3 working. But for #2 it maches all including #1.

The thing is that my Web application is structured so If I visit the above example links some work and other gives me error 404.

I think my regex is wrong because I have multiple cases for that. Currently it is only working for specific case #1.

My guess is that my regex from above is not good for that. Do I need multuple regexes for that? Which one?

Is there a way for regex to check if value "vs" exists (one or multiple times) inside the given URL?

Any ideas or better solutions exist?

Any help would be appreciated!

Thanks a lot!

May I know what differs Case #2 from Case #1? Is it the vs keyword? — Lionel Chan
– Lionel Chan, Commented Apr 6, 2016 at 0:41
Exactly. The difference is the word "vs". Currently I am trying to match "vs" inside url with this regex (?:^|\W)vs(?:$|\W) or any other? — Ho Thanh Cyberdelia Nhan
– Ho Thanh Cyberdelia Nhan, Commented Apr 6, 2016 at 0:43
Which regex should I use so that I could capture URl which has not got vs word inside? — Ho Thanh Cyberdelia Nhan
– Ho Thanh Cyberdelia Nhan, Commented Apr 6, 2016 at 0:58
Almost got it. ^((?!vs).*)+.html but i need /webapp/ before. — Ho Thanh Cyberdelia Nhan
– Ho Thanh Cyberdelia Nhan, Commented Apr 6, 2016 at 1:02

Lionel Chan · Accepted Answer · 2016-04-06 01:03:24Z

1

How about this regex:

/\/webapp\/(.*)(-vs-.*)+\.html/

This regex matches any repetitive -vs-.* once or more.

Sample: https://3v4l.org/2gWlN

answered Apr 6, 2016 at 1:03

Lionel Chan

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11 Comments

Ho Thanh Cyberdelia Nhan Over a year ago

Thanks for solution that. It works! Brilliant! Also, regex .*^((?!vs).*)+.html is missing /webapp/ before for URls non-containing word "vs". Any ideas?

Lionel Chan Over a year ago

I don't quite understand.. :D

Ho Thanh Cyberdelia Nhan Over a year ago

Sorry for bad english. Your regex works for vs (repetitive) - that is excellent. I am wondering how can i target CASE #1 or URLs that does not have these "vs" in? I have ^((?!vs).*)+.html but I am not sure if it is right because it is missing /webapp/ before.

Lionel Chan Over a year ago

So which means, you need single regex to match these three different set of URLs?

Ho Thanh Cyberdelia Nhan Over a year ago

Yes, You are right. Is that possible to make a single one? I was thinking it should be simplified solution with few of them but, or I was wrong about it?

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