I've installed nginx using nginx-stable helm chart and configured ingress rules as follows. Though it's working only for root path as follows,

/user/login - working
/user/register - working
/foo/user/login - not working
/foo/user/register - not working

I've configured rewrite target as mentioned in the document ingress nginx rewrite but couldn't make it to work. Not sure what I'm doing wrong.

 apiVersion: networking.k8s.io/v1beta1
 kind: Ingress
 metadata:
   name: foosrv-ingress
   annotations:
     kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/rewrite-target: /$2
     nginx.ingress.kubernetes.io/use-regex: true
     nginx.ingress.kubernetes.io/ssl-redirect: false
     nginx.ingress.kubernetes.io/enable-rewrite-log: true
 spec:
   rules:
   - http:
       paths:
       - path: /foo(/|$)(.*)
         backend:
           serviceName: foosrv-service
           servicePort: 5500
       - path: /
         backend:
           serviceName: foosrv-service
           servicePort: 5500

Apparently, It doesn't even identify /foo(/|$)(.*) path rule. I don't see any logs in the pod when calls to foo path and ingress return 404 as follows,

192.168.65.3 - - [23/May/2020:12:40:30 +0000] "GET /user/login HTTP/1.1" 200 1685 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36" "-"
192.168.65.3 - - [23/May/2020:12:40:34 +0000] "GET /foo/user/login HTTP/1.1" 404 0 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36" "-"