JAVA 最常用实用的正则表达式校验

小灰灰 2022-01-29 23:37 178阅读 0赞

正则表达式校验工具类;

import java.util.regex.Pattern;
    
    /**
     * @Author：JCccc
     * @Description： 常用正则表达式校验工具类
     * @Date： 
     */
    public class RegExUtil {
        //纯数字
        public static final String REGEX_NUMBER = "^[0-9]*$";
        //非0开头数字
        public static final String REGEX_NUMBER_NOTZERO = "^(0|[1-9][0-9]*)$";
        //邮箱地址
        public static final String REGEX_EMAIL = "^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$";
        //域名
        public static final String REGEX_DOMAIN = "[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(/.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+/.?";
        //URL
        public static final String REGEX_URL = "http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?";
        //IP
        public static final String REGEX_IP_ADDR = "([1-9]|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])(\\.(\\d|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])){3}";
        //手机号码
        public static final String REGEX_PHONE_NUMBER = "^((17[0-9])|(14[0-9])|(13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";
    //^[1][2,3,4,5,6,7,8,9][0-9]{9}$"手机号码这个要特别注意，根据时间推移可能会开放新号码段
    
        //身份证
        public static final String REGEX_ID_CARD = "(^[1-9]\\d{5}(18|19|20)\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}[0-9Xx]$)|" +
                "(^[1-9]\\d{5}\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}$)";
        //账号(字母开头，允许5-16字节，允许字母数字下划线)
        public static final String REGEX_ACCOUNT = "^[a-zA-Z][a-zA-Z0-9_]{4,15}$";
        //强密码(必须包含大小写字母和数字的组合，不能使用特殊字符，长度在8-10之间)
        public static final String REGEX_PASSWORD = "^(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,10}$";
        //中文(只能输入中文)
        public static final String REGEX_CHINESE = "[\\u4e00-\\u9fa5]+";
    
    
        public static boolean isNumber(String value) {
    
            return Pattern.matches(REGEX_NUMBER, value);
        }
        public static boolean isNumberNotZeroBegin(String value) {
    
            return Pattern.matches(REGEX_NUMBER_NOTZERO, value);
        }
        //指定多少位数字
        public static boolean isPureNumber(String value, int count) {
            String REGEX_PURE_NUMBER = "^\\d" + "{" + count + "}$";
            return Pattern.matches(REGEX_PURE_NUMBER, value);
        }
        //指定至少多少位数字
        public static boolean isPureNumberLeast(String value, int count) {
    
            String REGEX_PURE_NUMBER = "^\\d" + "{" + count + ",}$";
            return Pattern.matches(REGEX_PURE_NUMBER, value);
        }
        public static boolean isEmail(String value) {
    
            return Pattern.matches(REGEX_EMAIL, value);
        }
        public static boolean isDomain(String value) {
    
            return Pattern.matches(REGEX_DOMAIN, value);
        }
        public static boolean isUrl(String value) {
    
            return Pattern.matches(REGEX_URL, value);
        }
        public static boolean isIpAddr(String value) {
    
            return Pattern.matches(REGEX_IP_ADDR, value);
        }
        public static boolean isPhoneNumber(String value) {
    
            return Pattern.matches(REGEX_PHONE_NUMBER, value);
        }
        public static boolean isAccount(String value) {
    
            return Pattern.matches(REGEX_ACCOUNT, value);
        }
        public static boolean isPassword(String value) {
    
            return Pattern.matches(REGEX_PASSWORD, value);
        }
        public static boolean isChinese(String value) {
    
            return Pattern.matches(REGEX_CHINESE, value);
        }
        public static boolean isIdCard(String value) {
            boolean matches = value.matches(REGEX_ID_CARD);
            if (matches) {
    
                if (value.length() == 18) {
                    try {
                        char[] charArray = value.toCharArray();
                        //前十七位加权因子
                        int[] idCardWi = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
                        //这是除以11后，可能产生的11位余数对应的验证码
                        String[] idCardY = {"1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"};
                        int sum = 0;
                        for (int i = 0; i < idCardWi.length; i++) {
                            int current = Integer.parseInt(String.valueOf(charArray[i]));
                            int count = current * idCardWi[i];
                            sum += count;
                        }
                        char idCardLast = charArray[17];
                        int idCardMod = sum % 11;
                        if (idCardY[idCardMod].toUpperCase().equals(String.valueOf(idCardLast).toUpperCase())) {
                            return true;
                        } else {
                            System.out.println("身份证最后一位:" + String.valueOf(idCardLast).toUpperCase() +
                                    "错误,正确的应该是:" + idCardY[idCardMod].toUpperCase());
                            return false;
                        }
    
                    } catch (Exception e) {
                        e.printStackTrace();
                        System.out.println("异常:" + value);
                        return false;
                    }
                }
    
            }
            return matches;
        }
    
        public static void main(String[] args) {
    
            System.out.println(isNumber("0"));
        }
    
    
    }

OK,到此。