diff --git a/src/extension.js b/src/extension.js
index 165bcb4..8aa55fd 100644
--- a/src/extension.js
+++ b/src/extension.js
@@ -10,7 +10,7 @@ exports.activate = function(context) {
     const document = editor.document;
 
     if (editor && document.languageId === "ruby" || document.languageId === "haml" || document.languageId === "erb") {
-      const pattern = /:?(["|']?(\w[^\w\s]?)+["|']?)+\s*?=>\s*/g
+      const pattern = /[\d|:((\w[^\w\s]?))]+\s*?=>\s*/g
       const replacement = "$1: ";
 
       let edit = new WorkspaceEdit();