diff --git a/src/parser.js b/src/parser.js
index 063344f8..b4dd3d82 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -163,7 +163,7 @@
         ],
 
         // == begin transform regexp
-        number = '(?:[-+]?\\d+(?:\\.\\d+)?(?:e[-+]?\\d+)?)',
+        number = '(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)',
 
         commaWsp = '(?:\\s+,?\\s*|,\\s*)',