diff --git a/src/utils/transformations.js b/src/utils/transformations.js
index 6778ebe..423cb7f 100644
--- a/src/utils/transformations.js
+++ b/src/utils/transformations.js
@@ -1,9 +1,14 @@
-const toSnake = str => str
-    .replace(/[^a-zA-Z]/g, '_')
-    .replace(/([A-Z])/g, '_$1')
-    .toLowerCase()
+const toSnake = (str) => str
+    // replace any sequence of non-alphanumeric characters with a single underscore
+    .replace(/[^0-9A-Za-z]+/g, '_')
+    // insert underscore between a lower-case letter/digit and an upper-case letter (but not between consecutive uppers)
+    .replace(/([a-z0-9])([A-Z])/g, '$1_$2')
+    // collapse multiple underscores
     .replace(/_+/g, '_')
-    .replace(/^_|_$/g, '');
+    // trim leading/trailing underscores
+    .replace(/^_+|_+$/g, '')
+    // finally, lowercase the result
+    .toLowerCase();
 
 export const safeToSnake = (str) => {
     const res = toSnake(str);