csr extended regex bug

readme.md

Shows a regression with the extended coffee-script-redux regex syntax

cs-extended-regex.js

// Generated by CoffeeScript 1.6.2
(function() {
  var fileName;

  fileName = 'foo/bar/baz.mustache';

  fileName.match(/.+\/(.+)\..+\.mustache$/)[1];

}).call(this);

csr-extended-regex.coffee

fileName = 'foo/bar/baz.mustache'
fileName.match(/// .+ / (.+) \. .+ \.mustache $ ///)[1]

csr-extended-regex.js

// Generated by CoffeeScript 2.0.0-beta4
void function () {
  var fileName;
  fileName = 'foo/bar/baz.mustache';
  fileName.match(/.+/(.+)\..+\.mustache$/)[1];
}.call(this);