fix vuejs#943, regex should consider path or file name includes dot

Author: Elevista

lib/selector.js

@@ -10,7 +10,7 @@ module.exports = function (content) {
   this.cacheable()
   var query = loaderUtils.getOptions(this) || {}
   var context = (this._compiler && this._compiler.context) || this.options.context || process.cwd()
-  var filename = path.relative(context, this.resourcePath).replace(/\..+$/, '.vue')
+  var filename = path.relative(context, this.resourcePath).replace(/\.(?:.(?!\.))+$/, '.vue')
   var parts = parse(content, filename, this.sourceMap)
   var part = parts[query.type]
   if (Array.isArray(part)) {