diff --git a/pywhat/Data/regex.json b/pywhat/Data/regex.json
index e60c457..4299254 100644
--- a/pywhat/Data/regex.json
+++ b/pywhat/Data/regex.json
@@ -2805,5 +2805,36 @@
          ],
          "Invalid": []
       }
-   }
+   },
+   {
+	  "Name": "What3Words Address",
+	  "Regex": "^(\\/{0,3})?([a-z]{4,}\\.[a-z]{4,}\\.[a-z]{4,})$",
+	  "plural_name": false,
+	  "Description": "A geocoding system that identifies any 3m x 3m location using three dictionary words separated by dots",
+	  "Rarity": 0.7,
+	  "URL": "https://what3words.com/",
+	  "Tags": [
+	    "Identifiers",
+	    "Location",
+	    "Geocoding"
+	  ],
+	  "Examples": {
+	    "Valid": [
+	      "filled.count.soap",
+	      "///filled.count.soap",
+	      "table.lamp.spoon",
+	      "///index.home.raft",
+	      "slurs.this.shark",
+	      "///table.chair.lamp"
+	    ],
+	    "Invalid": [
+	      "word.word",
+	      "one.two.three.four",
+	      "has spaces.in.words",
+	      "has.123.numbers",
+	      "short.a.b",
+	      "UPPER.CASE.WORDS"
+	    ]
+	  }
+	}
 ]