perf: improve Accept-Language parsing speed

jshttp · May 3, 2016 · 26a05ec · 26a05ec
1 parent 955ae90
commit 26a05ec
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diff --git a/HISTORY.md b/HISTORY.md
@@ -1,3 +1,8 @@
+unreleased
+==========
+
+  * perf: improve `Accept-Language` parsing speed
+
 0.6.0 / 2015-09-29
 ==================
 

diff --git a/lib/language.js b/lib/language.js
@@ -21,7 +21,7 @@ module.exports.preferredLanguages = preferredLanguages;
  * @private
  */
 
-var simpleLanguageRegExp = /^\s*(\S+?)(?:-(\S+?))?\s*(?:;(.*))?$/;
+var simpleLanguageRegExp = /^\s*([^\s\-;]+)(?:-([^\s;]+))?\s*(?:;(.*))?$/;
 
 /**
  * Parse the Accept-Language header.