From 336ce2b9502923fb931615598dfb0baefed04f5d Mon Sep 17 00:00:00 2001
From: Faisal Salman <f@faisalman.com>
Date: Fri, 17 Sep 2021 23:24:42 +0700
Subject: [PATCH] Improve regex efficiency when trimming long ua string

https://blog.stevenlevithan.com/archives/faster-trim-javascript
---
 src/ua-parser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ua-parser.js b/src/ua-parser.js
index 2a62367..7d8beb6 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -91,7 +91,7 @@
         },
         trim = function (str, len) {
             if (typeof(str) === STR_TYPE) {
-                str = str.replace(/^\s+|\s+$/g, EMPTY);
+                str = str.replace(/^\s\s*/, EMPTY).replace(/\s\s*$/, EMPTY);
                 return typeof(len) === UNDEF_TYPE ? str : str.substring(0, UA_MAX_LENGTH);
             }
     };