public static boolean isQuantifier(final String text, final int start, final int len){
        if(len < 2){
            return false;
        }
        //避免量词和不完整小数结合
        //.的值是46,/的值是47
        //判断前一个字符是否是.或/
        int index = start-1;
        if(index > -1 && (text.charAt(index) == 46 || text.charAt(index) == 47)){
            return false;
        }
        char lastChar = text.charAt(start+len-1);
        if(Quantifier.is(lastChar)
                && 
                (isNumber(text, start, len-1) || 
                isChineseNumber(text, start, len-1) || 
                isFraction(text, start, len-1)) ){
            if(LOGGER.isDebugEnabled()) {
                LOGGER.debug("识别数量词：" + text.substring(start, start + len));
            }
            return true;
        }
        return false;
    }
public static boolean isQuantifier ( final String text , final int start , final int len ) { if ( len < 2 ) { return false ; } int index = start - 1 ; if ( index > - 1 && ( text . charAt ( index ) == 46 || text . charAt ( index ) == 47 ) ) { return false ; } char lastChar = text . charAt ( start + len - 1 ) ; if ( Quantifier . is ( lastChar ) && ( isNumber ( text , start , len - 1 ) || isChineseNumber ( text , start , len - 1 ) || isFraction ( text , start , len - 1 ) ) ) { if ( LOGGER . isDebugEnabled ( ) ) { LOGGER . debug ( "识别数量词：" + text . substring ( start , start + len ) ) ; } return true ; } return false ; }
数量词识别，如日期、时间、长度、容量、重量、面积等等
@param text 识别文本
@param start 待识别文本开始索引
@param len 识别长度
@return 是否识别