URL regex matching for dynamic parameters

Question

I am filtering request URL in which I need to provide boolean value for regex check. I do not know whether it is possible to make such regex or I need to change URLs to follow patterns,

I got confused because I need a match for two like /cart/{orgSlug}/{cartNameSlug} & /cart/{id} where slug name must have at least one character and id must be only numeric.

I am taking care of getting the proper URL by splitting by ? & checking request method as a preliminary test.

for /cart/{id}, I have got cart\/[0-9]{1,5}

ray
– ray

2020-08-31 05:15:43 +00:00
Commented Aug 31, 2020 at 5:15 — ray
– ray, Commented Aug 31, 2020 at 5:15

anubhava · Accepted Answer · 2020-08-31 05:27:56Z

4

For /cart/{orgSlug}/{cartNameSlug} you may use:

/^\/cart\/[^\/]*[a-z][^\/]*\/[^\/]*[a-z][^\/]*\/?$/i

RegEx Demo

For /cart/{id}, you may use:

/^\/cart\/\d+\/?$/i

answered Aug 31, 2020 at 5:27

anubhava

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4 Comments

ray Over a year ago

just incredible :) I removed / at the end only.

mu is too short Over a year ago

You almost always want \A and \z instead of ^ and $ (respectively) in Ruby.

ray Over a year ago

@anubhava what I can do if I want to avoid slug name should not start with a number?

anubhava Over a year ago

@ray: Just add (?1\d) right after matching \/ to make it: ^\/cart\/(?!\d)[^\/]*[a-z][^\/]*\/(?!\d)[^\/]*[a-z][^\/]*$

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