perf: improve Accept parsing speed

jshttp · May 3, 2016 · 1cd03e5 · 1cd03e5
1 parent 72be879
commit 1cd03e5
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diff --git a/HISTORY.md b/HISTORY.md
@@ -1,6 +1,7 @@
 unreleased
 ==========
 
+  * perf: improve `Accept` parsing speed
   * perf: improve `Accept-Charset` parsing speed
   * perf: improve `Accept-Encoding` parsing speed
   * perf: improve `Accept-Language` parsing speed

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