text: /*
   * Copyright 2011 eBay Software Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  
  var simpleSpecial = {
      "*": ".*?",
      "?": ".?"
  };
  
  module.exports = {
      
      /**
       * Escapes special regular expression characters in a string so that the resulting string can be used
       * as a literal in a constructed RegExp object.
       * 
       * Example:
       * <js>
       * strings.escapeRegExp("hello{world}");
       * //output: "hello\{world\}"
       * </js>
       * @param str The string to escape
       * @returns {String} The string with all special regular expression characters escaped
       */
      escape: function(str) {
          return str.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
      },
      
      /**
       * Converts a string consisting of two types of wildcards to a regular expression:
       * Question Mark (?) - Represents a single character that can be any character
       * Asterisk (*) - This represents any sequence of characters 
       * 
       * @param {String} str The string that represents the simple regular expression
       * @return {RegExp} The resulting regular expression
       */
      simple: function(str) {
          var _this = this;
          
          return new RegExp("^" + str.replace(/[\*\?]|[^\*\?]*/g, function(match) {
              return simpleSpecial[match] || _this.escape(match);
          }) + "$");
      }
      
  };
  