Regex rules for optional url parameter

Question

How to write the regrex rules for the specific given url parameter?

For exmaple, I have URL below:

http://localhost:5008/api/products/productsSubscribeStatus?companyId=14
http://localhost:5008/api/products/productsSubscribeStatus
http://localhost:5008/api/products/productsSubscribeStatus?ccc=14

I want to a rule only match "products/productsSubscribeStatus" and only with the parameter "companyID=xx", but does not pass the url with the other parameters like the third one.

I write the regrex: \/products\/productsSubscribeStatus(\?companyId=\d+$)?, but it cannot guarantee the parameter is companyId only.

Yes, on my example, I want the url 1 and 2 pass, but not the third one. Only allow the url without parameter or parameter with companyId only. — Moon
– Moon, Commented Feb 4, 2021 at 3:55

Tim Biegeleisen · Accepted Answer · 2021-02-04 03:57:16Z

1

I would just make the entire expected query parameter optional:

^https?://.+/products/productsSubscribeStatus(?:\?companyId=\w+)?$

Demo

answered Feb 4, 2021 at 3:57

Tim Biegeleisen

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