From 7167a78644120a72863b32a414bac84ac6cfaa61 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 2 Feb 2018 16:06:03 -0800
Subject: [PATCH] Replacing a regex in `stringToPath` with a quick character
 code check. (#3308)

---
 lodash.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lodash.js b/lodash.js
index bdc201451..0b7579d6d 100644
--- a/lodash.js
+++ b/lodash.js
@@ -143,7 +143,6 @@
   /** Used to match property names within property paths. */
   var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
       reIsPlainProp = /^\w*$/,
-      reLeadingDot = /^\./,
       rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
 
   /**
@@ -6727,7 +6726,7 @@
      */
     var stringToPath = memoizeCapped(function(string) {
       var result = [];
-      if (reLeadingDot.test(string)) {
+      if (string.charCodeAt(0) === 46 /* . */) {
         result.push('');
       }
       string.replace(rePropName, function(match, number, quote, subString) {