diff --git a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_matching_tests.json b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_matching_tests.json
index 191c3bba..d9e91838 100644
--- a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_matching_tests.json
+++ b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_matching_tests.json
@@ -150,5 +150,149 @@
         "site": "https://testsite.com",
         "request": "http://a.b.c.videos.allowlist-tracker-2.com/a.js",
         "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports unescaped slashes",
+        "site": "https://example.com",
+        "request": "https://format.test/test1.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports simple regexp - matching request",
+        "site": "https://example.com",
+        "request": "https://format.test/1/test2.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports simple regexp - nonmatching request",
+        "site": "https://example.com",
+        "request": "https://format.test/a/test2.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - supports simple wildcard regexp - matching request",
+        "site": "https://example.com",
+        "request": "https://format.test/abc/test3.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports simple wildcard regexp - nonmatching request",
+        "site": "https://example.com",
+        "request": "https://format.test/abc/test3a.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - supports CBR regexp - matching request (1)",
+        "site": "https://example.com",
+        "request": "https://format.test/aa123b.cdeffffg/test2b.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports CBR regexp - matching request (2)",
+        "site": "https://example.com",
+        "request": "https://format.test/ab.cd/test2b.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - supports CBR regexp - nonmatching request (1)",
+        "site": "https://example.com",
+        "request": "https://format.test/aa123b.cffffg/test2b.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - supports CBR regexp - nonmatching request (2)",
+        "site": "https://example.com",
+        "request": "https://format.test/ab1cd/test2b.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain - match on sub subdomain",
+        "site": "https://example.com",
+        "request": "https://sub0.sub1.sub2.format.test/test4.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - with subdomain - don't match on just lower subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1.format.test/test4.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain - match on full subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1.sub2.format.test/test4.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - with subdomain - don't match for incorrect subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1nsub2.format.test/test4.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain - don't match on incorrect subdomain",
+        "site": "https://example.com",
+        "request": "https://sub0.sub2.format.test/test4.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain and regexp - match on sub subdomain",
+        "site": "https://example.com",
+        "request": "https://sub0.sub1.sub2.format.test/a/test4a.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - with subdomain and regexp - don't match on just lower subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1.format.test/a/test4a.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain and regexp - match on full subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1.sub2.format.test/a/test4a.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - with subdomain and regexp - don't match for incorrect subdomain",
+        "site": "https://example.com",
+        "request": "https://sub1nsub2.format.test/a/test4a.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - with subdomain and regexp - don't match on incorrect subdomain",
+        "site": "https://example.com",
+        "request": "https://sub0.sub2.format.test/a/test4a.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - domain in rule - match on full request",
+        "site": "https://example.com",
+        "request": "https://sub1.format.test/sub2.format.test/test4b.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - domain in rule - don't match the inner request",
+        "site": "https://example.com",
+        "request": "https://sub2.format.test/test4b.js",
+        "isAllowlisted": false
+    },
+    {
+        "name": "format.test - no escape on domain - matching request",
+        "site": "https://example.com",
+        "request": "https://format.test/test5.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - no escape on subdomain - match with periods",
+        "site": "https://example.com",
+        "request": "https://sub1.sub2.format.test/test6.js",
+        "isAllowlisted": true
+    },
+    {
+        "name": "format.test - no escape on subdomain - match with replacements",
+        "site": "https://example.com",
+        "request": "https://sub1asub2.format.test/test6.js",
+        "isAllowlisted": true
     }
 ]
diff --git a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_reference.json b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_reference.json
index 6793559c..d5031de9 100644
--- a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_reference.json
+++ b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_reference.json
@@ -25,6 +25,11 @@
                 "domains": ["<all>"],
                 "reason": "match all sites and all paths"
             },
+            {
+                "rule": "allowlist-tracker-2.com/login.js",
+                "domains": ["<all>"],
+                "reason": "match single resource on all sites"
+            },
             {
                 "rule": "allowlist-tracker-2.com/login.js",
                 "domains": ["<all>"],
@@ -40,6 +45,55 @@
                 "reason": "match all requests"
             }
         ]
+    },
+    "format.test": {
+        "rules": [
+            {
+                "rule": "format\\.test/test1\\.js",
+                "reason": "Unescaped slash should be allowed.",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "format\\.test/[0-9]+/test2\\.js",
+                "reason": "Simple regexp",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "format\\.test/.*/test3\\.js",
+                "reason": "Simple regexp wildcard",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "format\\.test/a.*.\\.[c]([de]+)f*g?/test2b\\.js",
+                "reason": "Simple regexp (full CBR), see https://developer.apple.com/documentation/safariservices/creating_a_content_blocker#3030754",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "sub1\\.sub2\\.format\\.test/test4\\.js",
+                "reason": "With subdomain",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "sub1\\.sub2\\.format\\.test/[abc]/test4a\\.js",
+                "reason": "With subdomain and regexp",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "sub1\\.format\\.test/sub2\\.format\\.test/test4b\\.js",
+                "reason": "Domain in rule",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "format.test/test5\\.js",
+                "reason": "No escape on the domain.",
+                "domains": ["<all>"]
+            },
+            {
+                "rule": "sub1.sub2.format.test/test6\\.js",
+                "reason": "No escape on the domain with subdomain.",
+                "domains": ["<all>"]
+            }
+        ]
     }
 }
 
diff --git a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_tds_reference.json b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_tds_reference.json
index 14f7f65d..513243ee 100644
--- a/tracker-radar-tests/TR-domain-matching/tracker_allowlist_tds_reference.json
+++ b/tracker-radar-tests/TR-domain-matching/tracker_allowlist_tds_reference.json
@@ -41,6 +41,18 @@
             "cookies": 0.1,
             "categories": [],
             "default": "block"
+        },
+        "format.test": {
+            "domain": "format.test",
+            "owner": {
+                "name": "Tests for formatting",
+                "displayName": "Tests for formatting"
+            },
+            "prevalence": 0.1,
+            "fingerprinting": 3,
+            "cookies": 0.1,
+            "categories": [],
+            "default": "block"
         }
     },
     "entities": {
@@ -52,6 +64,13 @@
             ],
             "prevalence": 0.1,
             "displayName": "Test Site for Tracker Blocking"
+        },
+        "Tests for formatting": {
+            "domains": [
+                "format.test"
+            ],
+            "prevalence": 0.1,
+            "displayName": "Tests for formatting"
         }
     },
     "cnames": {
@@ -60,6 +79,7 @@
     "domains": {
         "allowlist-tracker-1.com": "Test Site for Tracker Blocking",
         "allowlist-tracker-2.com": "Test Site for Tracker Blocking",
-        "allowlist-tracker-3.com": "Test Site for Tracker Blocking"
+        "allowlist-tracker-3.com": "Test Site for Tracker Blocking",
+        "format.test": "Tests for formatting"
     }
 }