车牌识别 java 开源 java识别车牌号

50、java 车牌号判断

新能源或者常规的车牌号，都是可以判断的

public static boolean isCarNo(String carNo){
    if (carNo.length() >= 7 && carNo.length() <= 8){
        Pattern p = Pattern.compile("^([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[a-zA-Z](([DF]((?![IO])[a-zA-Z0-9](?![IO]))[0-9]{4})|([0-9]{5}[DF]))|[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领A-Z]{1}[A-Z]{1}[A-Z0-9]{4}[A-Z0-9挂学警港澳]{1})$");
        Matcher m = p.matcher(carNo);
        if (!m.matches()){
            return false;
        }
        return true;
    }else{
        return false;
    }
}

public static boolean checkPlateNumberFormat(String content) {
		String pattern = "([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼]{1}(([A-HJ-Z]{1}[A-HJ-NP-Z0-9]{5})|([A-HJ-Z]{1}(([DF]{1}[A-HJ-NP-Z0-9]{1}[0-9]{4})|([0-9]{5}[DF]{1})))|([A-HJ-Z]{1}[A-D0-9]{1}[0-9]{3}警)))|([0-9]{6}使)|((([沪粤川云桂鄂陕蒙藏黑辽渝]{1}A)|鲁B|闽D|蒙E|蒙H)[0-9]{4}领)|(WJ[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼·•]{1}[0-9]{4}[TDSHBXJ0-9]{1})|([VKHBSLJNGCE]{1}[A-DJ-PR-TVY]{1}[0-9]{5})";
		return Pattern.matches(pattern, content);
	}