code: function ( str ) {
              if ( !str ) return '';
      
              var _this = this,
                  regAry = $B.object.toArray( _this.HTML_CHARACTERS, 'key' ),
                  reg = new RegExp( '(' + regAry.join('|') + '|&#[0-9]{1,5};' + ')', 'g' );
      
              return str.replace( reg, function ( match, capture ) {
                  return ( capture in _this.HTML_CHARACTERS ) ? _this.HTML_CHARACTERS[capture] : String.fromCharCode(parseInt(capture.substr(2), 10));
              });
          }
docs: "&lt;" 처럼 변형된 태그 문자열을 "<" 태그로 반환 (기존 태그는 유지)
  @param	{String}	str
  @return  {String}