Remove trailing regexp from .js files.

src/messages.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 725 matching lines @@
   return this.fun === constructor;
 };
 
 function FormatEvalOrigin(script) {
   var eval_origin = "";
   if (script.eval_from_function_name) {
     eval_origin += script.eval_from_function_name;
   } else {
     eval_origin +=  "<anonymous>";
   }
-  
+
   var eval_from_script = script.eval_from_script;
   if (eval_from_script) {
     if (eval_from_script.compilation_type == COMPILATION_TYPE_EVAL) {
       // eval script originated from another eval.
       eval_origin += " (eval at " + FormatEvalOrigin(eval_from_script) + ")";
     } else {
       // eval script originated from "real" scource.
       if (eval_from_script.name) {
         eval_origin += " (" + eval_from_script.name;
         var location = eval_from_script.locationFromPosition(script.eval_from_script_position, true);
         if (location) {
           eval_origin += ":" + (location.line + 1);
           eval_origin += ":" + (location.column + 1);
         }
         eval_origin += ")"
       } else {
         eval_origin += " (unknown source)";
       }
     }
   }
-  
+
   return eval_origin;
 };
 
 function FormatSourcePosition(frame) {
   var fileLocation = "";
   if (frame.isNative()) {
     fileLocation = "native";
   } else if (frame.isEval()) {
     fileLocation = "eval at " + frame.getEvalOrigin();
   } else {
@@ skipping 163 matching lines @@
     return this.name + ": " + FormatMessage({ type: type, args: this.arguments });
   }
   var message = this.message;
   return this.name + (message ? (": " + message) : "");
 }, DONT_ENUM);
 
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Top::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);