improve performance of strict

expressjs · Aug 9, 2022 · 9a2356a · 9a2356a
1 parent 1f6f58e
commit 9a2356a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/types/json.js b/lib/types/json.js
@@ -37,7 +37,7 @@ module.exports = json
  *            %x0D )              ; Carriage return
  */
 
-var FIRST_CHAR_REGEXP = /^[\x20\x09\x0a\x0d]*([^\x20\x09\x0a\x0d])/ // eslint-disable-line no-control-regex
+var FIRST_CHAR_REGEXP = /[^\x20\x09\x0a\x0d]/ // eslint-disable-line no-control-regex
 
 /**
  * Create a middleware to parse JSON bodies.
@@ -178,7 +178,7 @@ function firstchar (str) {
   var match = FIRST_CHAR_REGEXP.exec(str)
 
   return match
-    ? match[1]
+    ? match[0]
     : undefined
 }