fix($injector): more conservative annotation parsing

Author: mhevery

Diff for: src/auto/injector.js

@@ -40,7 +40,7 @@
 
 var FN_ARGS = /^function\s*[^\(]*\(\s*([^\)]*)\)/m;
 var FN_ARG_SPLIT = /,/;
-var FN_ARG = /^\s*(_?)(.+?)\1\s*$/;
+var FN_ARG = /^\s*(_?)(\S+?)\1\s*$/;
 var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
 function annotate(fn) {
   var $inject,

Diff for: test/auto/injectorSpec.js

@@ -136,7 +136,7 @@ describe('injector', function() {
       function $f_n0 /*
           */(
           $a, // x, <-- looks like an arg but it is a comment
-          b_, /* z, <-- looks like an arg but it is a
+          b_ , /* z, <-- looks like an arg but it is a
                  multi-line comment
                  function (a, b) {}
                  */