/**
 * 
 */
function RADateUtils(){

  /**
   * 
   * @param dateStringSrc
   * @return
   */
  this.getPubDate = function (dateStringSrc) {
    var pubDate = '';
    var dateString = (dateStringSrc.match(/^(.+?)\s+([0-9]{4}\/[0-9]{2}\/[0-9]{2})\([月火水木金土日]\)+\s+[0-9]{2}:[0-9]{2}:[0-9]{2}$/) || [])[2];
    if (dateString && dateString.length > 0) {
       pubDate = dateString.split('/').join('');
    }
    return pubDate;
  }
}