Add process_path_regex rule type

docs/configuration/route/rule.md

@@ -7,6 +7,7 @@ icon: material/alert-decagram
     :material-plus: [client](#client)
     :material-delete-clock: [rule_set_ipcidr_match_source](#rule_set_ipcidr_match_source)  
     :material-plus: [rule_set_ip_cidr_match_source](#rule_set_ip_cidr_match_source)  
+    :material-plus: [process_path_regex](#process_path_regex)
 
 !!! quote "Changes in sing-box 1.8.0"
 
@@ -101,6 +102,9 @@ icon: material/alert-decagram
         "process_path": [
           "/usr/bin/curl"
         ],
+        "process_path_regex": [
+          "^/usr/bin/.+"
+        ],
         "package_name": [
           "com.termux"
         ],
@@ -277,6 +281,16 @@ Match process name.
 
 Match process path.
 
+#### process_path_regex
+
+!!! question "Since sing-box 1.10.0"
+
+!!! quote ""
+
+    Only supported on Linux, Windows, and macOS.
+
+Match process path using regular expression.
+
 #### package_name
 
 Match android package name.