lib/google/cloud/firestore/field_path.rb in google-cloud-firestore-2.4.1 vs lib/google/cloud/firestore/field_path.rb in google-cloud-firestore-2.5.0

@@ -208,17 +208,17 @@
         end
 
         protected
 
         START_FIELD_PATH_CHARS = /\A[a-zA-Z_]/.freeze
-        INVALID_FIELD_PATH_CHARS = %r{[\~\*\/\[\]]}.freeze
+        INVALID_FIELD_PATH_CHARS = %r{[~*/\[\]]}.freeze
 
         def escape_field_for_path field
           field = String field
 
           if INVALID_FIELD_PATH_CHARS.match(field) ||
              field["."] || field["`"] || field["\\"]
-            escaped_field = field.gsub(/[\`\\]/, "`" => "\\\`", "\\" => "\\\\")
+            escaped_field = field.gsub(/[`\\]/, "`" => "\\\`", "\\" => "\\\\")
             return "`#{escaped_field}`"
           end
 
           return field if START_FIELD_PATH_CHARS.match field