fix sourceRegex for IE; issue #2400

1 files changed, 1 insertions, 1 deletions

diff --git a/src/preamble.js b/src/preamble.js
index 431a3c27..ae58e7e0 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -401,7 +401,7 @@ var cwrap, ccall;
     return ret;
   }
 
-  var sourceRegex = /^function\s\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;
+  var sourceRegex = /^function\s*\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;
   function parseJSFunc(jsfunc) {
     // Match the body and the return value of a javascript function source
     var parsed = jsfunc.toString().match(sourceRegex).slice(1);