Faster string.replace with regexp pattern.

src/regexp-delay.js

 // Copyright 2006-2009 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 182 matching lines @@
 
   if (this.global)
     this.lastIndex = lastMatchInfo[CAPTURE1];
   result.index = lastMatchInfo[CAPTURE0];
   result.input = s;
   return result;
 }
 
 
 // Section 15.10.6.3 doesn't actually make sense, but the intention seems to be
-// that test is defined in terms of String.prototype.exec even if the method is
-// called on a non-RegExp object. However, it probably means the original
-// value of String.prototype.exec, which is what everybody else implements.
+// that test is defined in terms of String.prototype.exec. However, it probably
+// means the original value of String.prototype.exec, which is what everybody
+// else implements.
 function RegExpTest(string) {
   if (!IS_REGEXP(this)) {
     throw MakeTypeError('method_called_on_incompatible',
                         ['RegExp.prototype.test', this]);
   }
   if (%_ArgumentsLength() == 0) {
     var regExpInput = LAST_INPUT(lastMatchInfo);
     if (IS_UNDEFINED(regExpInput)) {
       throw MakeError('no_input_to_regexp', [this]);
     }
@@ skipping 188 matching lines @@
   %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE);
 
   for (var i = 1; i < 10; ++i) {
     %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_DELETE);
     %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE);
   }
 }
 
 
 SetupRegExp();