fix: path with sepecial characters warning #10281 #10308 (#10330)

Author: sonbui00

docs/examples/rewrite/README.md

@@ -30,6 +30,9 @@ Rewriting can be controlled using the following annotations:
 !!! note
     [Captured groups](https://www.regular-expressions.info/refcapture.html) are saved in numbered placeholders, chronologically, in the form `$1`, `$2` ... `$n`. These placeholders can be used as parameters in the `rewrite-target` annotation.
 
+!!! note
+    Please see the [FAQ](../faq.md#validation-of-path) for Validation Of __`path`__
+
 Create an Ingress rule with a rewrite annotation:
 
 ```console
@@ -49,7 +52,7 @@ spec:
     http:
       paths:
       - path: /something(/|$)(.*)
-        pathType: Prefix
+        pathType: ImplementationSpecific
         backend:
           service:
             name: http-svc

docs/user-guide/ingress-path-matching.md

@@ -5,6 +5,9 @@
 !!! important
     Regular expressions and wild cards are not supported in the `spec.rules.host` field. Full hostnames must be used.
 
+!!! note
+    Please see the [FAQ](../faq.md#validation-of-path) for Validation Of __`path`__
+
 The ingress controller supports **case insensitive** regular expressions in the `spec.rules.http.paths.path` field.
 This can be enabled by setting the `nginx.ingress.kubernetes.io/use-regex` annotation to `true` (the default is false).
 
@@ -28,7 +31,7 @@ spec:
     http:
       paths:
       - path: /foo/.*
-        pathType: Prefix
+        pathType: ImplementationSpecific
         backend:
           service:
             name: test
@@ -95,7 +98,7 @@ spec:
     http:
       paths:
       - path: /foo/bar/(.+)
-        pathType: Prefix
+        pathType: ImplementationSpecific
         backend:
           service:
             name: service3
@@ -160,7 +163,7 @@ spec:
             port: 
               number: 80
       - path: /foo/bar/[A-Z0-9]{3}
-        pathType: Prefix
+        pathType: ImplementationSpecific
         backend:
           service:
             name: test